Long before anyone struck the first coins in western Anatolia, people were already buying goods, borrowing metal and sending valuable cargoes across great distances. A Mesopotamian merchant might sell wool on credit. An Egyptian craftsman could agree to value a bed in copper, even if the buyer paid with other goods. A ship could carry tonnes of metal through the Mediterranean without a single stamped coin aboard. These transactions depended on measurements, recognized values and agreements that other people could be persuaded, or required, to honour.

Much of the evidence survives in ordinary administrative objects. Mesopotamian clay tablets list grain and silver. Egyptian ostraca, pieces of pottery or stone used for writing, record prices and contested sales. Excavated weights show how quantities could be checked. The earliest economic records tell us what people delivered, received, owed and distributed. Sometimes they also show the value of one commodity expressed in terms of another. A price stated in silver did not always mean that a buyer produced that exact amount of metal. Understanding what changed hands is essential if we want to know how these economies worked.

There was no universal form of money shared by all societies before coinage. Metal weighed on a balance, barley, cloth, shells and obligations recorded in writing could all be involved in exchange, often within the same economy. A palace responsible for feeding workers faced different needs from a merchant financing a caravan, and both operated differently from a court exchanging gifts with another ruler. Some of these arrangements survived well into the age of coins. Their variety is best understood through the surviving transactions, rather than by imagining one simple stage between barter and modern money.

Proto-cuneiform tablet recording beer rations for workers in the Late Uruk period.
Early administrative tablet recording payment in kind under fixed measures (British Museum BM 140855). Source: Wikimedia Commons

How could people pay without coins?

Consider a garment whose price is agreed as a certain weight of copper. Copper could be delivered to settle the purchase, but the buyer might instead supply grain, a second garment or several commodities together at mutually accepted values. In that case, copper is the unit in which the price is calculated, even if no copper changes hands. It is a unit of account. Ancient records sometimes make precisely this distinction, valuing goods in silver while listing the grain, textiles or other things actually provided. A recorded price and a physical payment are related parts of a transaction, but they need not be identical.

Economists commonly separate three functions of money: a unit of account for prices and debts, a medium of exchange used in payment, and a store of value kept for later. These distinctions help explain ancient practice, although ancient institutions did not necessarily organize their systems around that modern framework. A temple might calculate barley owed to a worker and issue measured grain or beer as rations. A merchant could reckon a debt in silver and settle it in merchandise. Grain stored in a warehouse retained value but occupied space and could spoil; silver travelled more easily, though its weight and purity had to be trusted. Different materials solved different problems.

The familiar story of villagers first swapping sheep for pots and then inventing coins to end the inconvenience is much too neat. People undoubtedly exchanged goods directly, but the earliest urban archives already contain ration distributions, accounts, commodity conversions and credit arrangements. Governments and religious institutions could mobilize labour and supplies without circulating minted currency. Archaeology cannot reconstruct every private exchange in a village or market, and we should not pretend otherwise. What the written evidence does show is that sophisticated ways to coordinate payments and obligations existed long before the first coin was made.

Rations, accounting, and the earliest Mesopotamian records

In southern Mesopotamia, during the late fourth millennium BCE, the development of early writing and numerical signs was closely connected to the administration of goods and labour. Many surviving proto-cuneiform tablets list grain, livestock and other quantities rather than recounting royal victories or telling stories. The records are evidence of organized accounting, though an entry for a measured delivery is not automatically evidence of money in circulation. They allowed officials to register what had been received, what should be issued and what remained due. An obligation could be calculated and recorded without requiring the corresponding goods to pass from hand to hand at that moment.

A Late Uruk tablet in the British Museum, BM 140855, records beer rations for workers. The people receiving these rations should not be treated as modern wage earners. In such systems, rations might maintain dependent workers, form part of compensation or support people whose freedom and obligations differed greatly. Yet the calculations behind the document are plain enough: officials needed to know how much beer was owed, who should receive it and what quantities had been distributed. Writing made it possible to reconcile those distributions with stores and other commitments. This early administrative practice is one reason the history of economic calculation begins well before coinage.

A far larger archive survives from the Third Dynasty of Ur, which governed much of southern Mesopotamia around 2112 to 2004 BCE. Barley sustained the institutions of the state, while silver was widely used to express value. Different cities nevertheless organized their accounts differently. The study of Ur III barley-to-silver price ratios distinguishes Girsu records, where barley frequently served as the accounting unit and silver was expressed in barley equivalents, from merchant accounts at Umma that were often balanced in silver. These were practices within one broad political system, not evidence that every office used the same measure for every purpose. Local administrative requirements shaped the form of the surviving accounts.

In particular contexts, Ur III documents use the conventional ratio of 300 sila of barley for one shekel of silver. A sila was a capacity measure of roughly a litre, although standards differed by period. This equivalence gave administrators a workable way to compare quantities; it did not guarantee an unchanging market price across the kingdom or through time. Harvests and shortages could alter actual exchange relationships. The analysis of the late Ur III economy associates the serious shortage of barley during the reign of Ibbi-Suen with sharp changes in its silver-equivalent price and in the cost of commodities required by state institutions. An accounting convention and a market under pressure were related, but they were not the same thing.

These records reveal how serious economic strains could develop in a state that minted no coins. Barley was needed to provision workers, temples and animals. When supplies failed, keeping those institutions functioning could demand far more value, expressed in silver, for the same essential quantity. Officials continued to write down deliveries and equivalences, leaving historians a way to observe the growing strain in contemporary records. The tablets reveal strains within the government that accounts of battles and royal succession alone could not show.

Advertisements

Silver by weight: shekels, minas, and the merchants of Mesopotamia

A shekel was originally a unit of weight, not the name of a minted coin. Its mass varied across places and periods, but Mesopotamian systems commonly reckoned sixty shekels to a mina. To price something at several shekels of silver was therefore to assign a measured amount of metal. The payment might consist of fragments, rings or pieces in other forms. A ruler’s portrait or official mint stamp was unnecessary, provided the metal could be weighed and its quality accepted. Scales and agreed standards mattered, as did the reputation of the person supplying it and the ability of others to challenge a doubtful payment.

Near Eastern duck-shaped administrative weight used to calibrate beam balances in official transactions.
Zoomorphic administrative weight: official standards made portable and visible. Source: Wikimedia Commons

Merchants working for institutions at Umma had more to do than exchange barley locally. They might receive goods or capital and be expected to bring back materials unavailable in the city. Administrators then checked what had been obtained against what the merchant had taken out and spent. Silver values made it possible to compare unlike commodities and judge whether obligations had been met. The study of Umma merchants by Daniel C. Snell helps reconstruct these arrangements, although its evidence does not establish one procedure followed on every journey. The accounts record a set of commercial relationships mediated through administrative oversight, not a single uniform market operating in the same way everywhere.

Private commercial dealings are particularly well documented in the Old Assyrian trading colonies of Anatolia in the early second millennium BCE. Merchants based in Ashur sent textiles and tin overland to trading settlements including Kanesh in central Anatolia. Silver and other goods moved back in return. Families and business partners coordinated caravans, agents and sales across long distances, often while living in different cities. Their letters and contracts discuss loans, interest, partnerships, lawsuits and payments made after an agreed interval. A deal could be arranged in one place and settled in another months later. Trade therefore required procedures for handling time and distance as much as a supply of valuable objects.

One loan tablet from the Metropolitan Museum of Art names two people who owed the merchant Ashur-idi six minas of silver, roughly three kilograms. A portion was payable at the next harvest and the remainder at a later date, with monthly interest if payment was delayed. The document identifies witnesses, while seals were impressed on its clay envelope. A separate tablet from the same trading world records the discharge of another loan and declares that no further claim remains. These are unusually personal pieces of economic evidence. They record identifiable debtors, amounts, deadlines and ways in which an obligation could be enforced or brought to an end. Credit was part of daily commercial practice, with written consequences for those involved.

These contracts did not stop bullion moving between merchants. They still shipped goods and silver, and the metal’s actual weight continued to matter. Written obligations instead allowed transactions to be financed or settled at different times, without immediate physical payment in every case. Witnesses, courts, family connections and seal impressions helped people judge and enforce these commitments. In long-distance trade, such procedures could be as important as a set of scales. The evidence shows how merchants combined tangible commodities with arrangements for credit, rather than replacing all exchange with documents.

Egypt's deben: a price was not always a pile of metal

In Egypt, too, copper and silver could be used to express the value of goods without being minted into coins. One important unit was the deben, a measure of mass whose size changed considerably over Egyptian history. A Middle Kingdom deben might have weighed about thirteen to fourteen grams. In the New Kingdom, by contrast, a deben commonly represented about ninety-one grams and was divided into ten qedet, also called kite. The change is large enough to make an unqualified conversion seriously misleading. A statement about what a deben was worth requires the dynasty and the metal, not just the name of the unit.

An actual weight from Lisht illustrates the danger. The Metropolitan Museum of Art identifies the Middle Kingdom weight marked for seventy debens as an object weighing approximately one kilogram. If its inscription used a New Kingdom deben of about ninety-one grams, seventy debens would weigh more than six kilograms. The physical object plainly belongs to a different standard. This is why museum weights must be considered in their own archaeological and historical contexts. An inscription giving a number is evidence of how measurement worked at the time; a much later conversion cannot simply be applied to it.

Large Egyptian weight marked for seventy debens, showing the scale of high-value official transactions.
Egyptian weight illustrating the deben system used to price goods by mass. Source: Wikimedia Commons

At Deir el-Medina, the New Kingdom settlement of skilled workers who constructed and decorated royal tombs near Thebes, written records show goods priced in metal units. A bed, cloth, an animal or a carpenter’s work might be assigned a value in copper debens. The people involved could then agree to settle the price with a combination of other goods. Disputes sometimes arose when goods promised as payment were not delivered or when their accepted value was contested. The documents consequently reveal both the calculations and the social negotiations behind an exchange. They do not prove that the buyer actually handed over the stated weight of copper.

A household receiving grain rations could thus engage in a transaction measured in copper without possessing copper pieces for every amount named in a price. Grain might be eaten, stored, traded or contributed toward a debt. But payment with commodities did not remove the practical work of reaching an agreement. Objects still had to be transported and assessed for their quantity and quality, while copper and silver carried different values. Even a price of ten debens tells us too little unless the metal and date are specified. The unit helped parties calculate what was due; it did not make all their payments interchangeable or automatic.

Surviving weights bring another part of this system into view. They were not necessarily plain metal cylinders of the kind familiar from modern laboratory sets. Egyptian weights could be made from stone or metal and shaped geometrically or as animals, often with considerable care. They demonstrate the importance of repeatable measures. They do not all come from markets, however. Some were recovered from tombs, palatial settings or administrative buildings. Before using a particular object as evidence of shopping or household exchange, historians have to ask where it was found and what the museum record actually says about its date and use.

Advertisements

The Indus cities and the value of standard weights

Across the Indus civilisation, communities also worked with carefully standardized weights during the third millennium BCE. Excavations at Harappa and Mohenjo-daro have produced cubical chert examples of comparable forms. The British Museum records a polished chert weight from Mohenjo-daro dated to roughly 2500 to 2000 BCE. The Harappa Archaeological Research Project illustrates graduated weights based on a common unit near 13.7 grams, with smaller denominations following a binary progression and larger weights organized on another scale. Their consistent sizes across settlements are strong archaeological evidence for shared practices of measurement, even where the precise goods being measured are not always known.

Standardised chert cube weights from the Indus Valley Civilisation used with beam balances for trade and accounting.
Set of Harappan chert weights cut to a regular series for trade and accounting. Source: Wikimedia Commons

When the same weight series appears in cities separated by considerable distances, it implies that people could recognize and compare quantities across those places. Such standards would have been useful in commerce, craft production or administration. They do not, by themselves, establish how each sale took place, whether a central authority dictated every standard or whether those standards formed part of a uniform monetary policy. Unlike the Mesopotamian evidence, the Indus script remains undeciphered. There are no readable price lists or loan contracts to place alongside the weights and explain their economic role. The physical evidence is unusually clear, while the transactions behind it remain partly hidden.

A standard weight is not necessarily a piece of currency. A set of scales might be used for metal, precious stones, grain or any number of materials. Archaeologists call the study of measurement systems metrology, and it can identify regular standards without telling us which commodity served as a unit of account. To make that further claim would require evidence of how prices and obligations were expressed. The weights themselves demonstrate a widespread and precise convention of measurement. Their existence should not be made to answer questions the undeciphered records still leave open.

Copper oxhide ingots and the Bronze Age shipping economy

In the Late Bronze Age, enormous quantities of metal moved between eastern Mediterranean ports. Bronze production depended on copper mixed with tin, and the sources of those raw materials were distributed unevenly. Cyprus supplied much of the region’s copper. The cargo of the Uluburun ship, lost off southern Anatolia around 1320 BCE, shows what a major shipment could contain. The Institute of Nautical Archaeology recovered 354 copper ingots of the form usually called oxhide ingots, additional copper pieces, roughly a tonne of tin, glass ingots, storage jars and luxury goods. The wreck preserves a concentrated picture of valuable resources being assembled and transported centuries before coinage.

Bronze Age copper oxhide ingot with corner grip handles from the Uluburun cargo, Bodrum Museum.
Transport form for bulk copper traded by weight and quality (Uluburun cargo, Bodrum Museum). Source: Wikimedia Commons

An oxhide ingot was a large, broadly rectangular slab with projecting corners, a form that made heavy copper easier to handle and became familiar around the eastern Mediterranean. The pieces were not enormous coins issued in guaranteed denominations. Their masses varied, and the copper was intended for further handling, storage and manufacture. The metallurgical study by Hauptmann, Maddin, and Prange found porosity and inclusions in the Uluburun ingots consistent with casting from smelted copper, which could require further working before use. A common shape helped people identify and move the slabs; it did not certify the same weight or metal quality in every example. Their value still had to be assessed.

The wreck’s cargo has been discussed both as merchandise and in connection with the exchange of gifts among royal courts. It does not preserve contracts identifying what happened to each consignment, so we cannot tell which pieces were purchased, given, taxed or commissioned. Several kinds of exchange probably operated within the same network. Weights, personal equipment and luxury objects aboard the ship also give a glimpse of the sailors and merchants involved. The scale of the undertaking is clear. Tonnes of valuable raw material were gathered and moved by sea through a network requiring agreements, labour and logistics that are largely invisible to us.

Copper ingots belong in a history of pre-coin payments because metal could transfer considerable value as well as serve as raw material. The oxhide shape made large pieces recognizable and easier to transport, but it never removed the need to weigh them or judge their composition. A smith might break a slab for manufacturing, while a trader or official calculated what it was worth under the prevailing conditions. Calling these objects coins would conceal the difference between a commodity whose value needed assessment and a stamped payment object intended to be accepted according to an issuing standard.

Advertisements

Seals, witnesses, and debts: making promises credible

Weighing metal was only part of making trade dependable. Someone also had to establish that a jar had not been opened, that a consignment was complete or that a borrower had genuinely accepted a debt. In Mesopotamia, one important device was the cylinder seal. Its owner rolled an engraved stone cylinder over wet clay, leaving a distinctive impression. The Metropolitan Museum’s account of a Late Uruk seal describes impressions used on closures for jars, baskets and doors, and on tablets recording legal and commercial dealings. A seal connected a person or institution to a particular act and could help others recognize whether the original closure remained undisturbed.

Series of Assyrian lion-shaped official weights from Nimrud used to calibrate heavy measures in palace trade.
Official weight series from Nimrud, signalling state-backed standards for trade. Source: Wikimedia Commons

A broken clay sealing could indicate that a container had been interfered with, and an impression on a contract could help identify those who accepted it. Seals were no guarantee against dishonesty: impressions could be imitated, witnesses could lie and documents could be contested. They nevertheless created procedures that made disagreements easier to investigate. Official weights supplied another sort of assurance. A lion-shaped bronze weight from Nimrud bears inscriptions associated with Shalmaneser V, the Assyrian king of the late eighth century BCE. It shows measurement standards carrying the authority of a ruler. The administrative technology and the political guarantee could reinforce one another without eliminating the need for trust.

The Old Assyrian loan tablets demonstrate how such safeguards worked in combination. A document identified debtors and creditors, specified amounts and repayment dates, and included named witnesses. Its enclosing layer of clay could carry seals that protected the written agreement. If the parties later quarrelled, they had something more specific to examine than competing recollections. But an ancient court was not a modern bank, nor did every recorded debt become a freely transferable financial asset. The tablets show documented obligations enforced within particular relationships and institutions. Their complexity does not require us to assume the machinery of modern banking.

For the same reason, it is misleading to picture clay tablets circulating from hand to hand in place of silver as though they were banknotes. Writing could establish, postpone or structure a payment, while the underlying obligation remained tied to named parties and the terms they had agreed. Whether a claim could be assigned or enforced depended on its circumstances and legal setting. A record that a valuable amount is due differs from an object generally accepted in settlement by strangers. Keeping the distinction in view allows us to recognize the sophistication of credit without treating every contract as a form of currency.

Textiles, cowries, and the different meanings of valuable goods

Valuable exchange goods were not confined to metal and cereals. Textile production consumed labour and materials, and cloth could be kept or carried between cities, although its condition, dimensions and quality affected the price. In Old Assyrian trade, textiles made in or sent from Ashur were among the main goods transported to Anatolia and exchanged for precious metals. Their place in the economy can be traced in the same archives that record caravan ventures and silver loans. This does not make all cloth a universal currency. It shows how a desirable manufactured commodity could sustain a profitable trading network without stamped money.

Cowrie shells had a different set of advantages. Small, distinctive and countable, they occur in substantial numbers in Bronze Age Chinese graves, and later bronze objects sometimes copied their shape. The British Museum catalogues a cowrie shell as money associated with the Shang and Zhou periods, although the provenance of that particular shell is recorded only as a claim. Its description is useful, but the archaeological setting remains important. Shells could signal prestige or be used in ritual as well as transfer value. Their presence in a grave cannot automatically establish that everyone in a nearby town used them to purchase everyday goods.

Cowrie shells used as a recognized exchange medium in early China during the Shang and Zhou periods.
Cowries presented as a payment medium before coins in early Chinese contexts. Source: Wikimedia Commons

Thousands of cowries were deposited in the tomb of Fu Hao, a royal woman of the late Shang period at Anyang, alongside bronze objects, jades and other valuable possessions. That concentration makes their importance in elite wealth and ceremonial display clear, but gives little direct evidence of how frequently ordinary sales were settled with shells. Even the term currency can conceal several different activities. The same object might be an ornament, offering, gift, commodity or means of payment, depending on the situation. Bronze vessels passed between rulers also conveyed wealth and standing, yet that does not mean they formed a standardized set of payment units.

What changed when the first coins appeared?

The first surviving coins of the eastern Mediterranean appeared in the late seventh and early sixth centuries BCE, especially in Lydia and the neighbouring Greek cities of western Anatolia. Many early issues used electrum, a natural or prepared alloy of gold and silver. A stamped mark associated a piece with an issuer and a recognized weight system, making it easier to accept as a payment object without starting every transaction by weighing and testing raw metal. The beginnings remain debated, however. The Austrian Archaeological Institute’s research project on early Lydian coinage observes that hundreds of early electrum series are known, while the issuing authorities and precise occasions for many cannot be securely identified. Neither the first mint nor an exact invention date can simply be assumed.

Why coinage began has prompted competing explanations. Rulers needed to pay people and collect revenues; traders valued convenience; and stamping may have helped address doubts about electrum’s composition. All are plausible, but no single motive has been demonstrated as the original cause. The numismatist Robert Wallace discussed these and other economic and political explanations. The published abstract of his 1987 study cautions against treating any one theory as sufficient. The evidence is too complicated to attribute the invention confidently to a particular ruler’s wish to pay soldiers, make markets faster or solve one clearly identifiable problem.

Electrum posed a special difficulty because its gold and silver content could vary, and its appearance gave no precise indication of the mixture. A recognized stamp could support an agreed valuation even though it did not make the metal inside every piece identical. Later, Croesus, king of Lydia, introduced separate gold and silver coinages, a development closely tied to the Lydian capital at Sardis. The Sardis expedition’s study by John H. Kroll explains the relationship between the earlier electrum series and the Croeseid issues. Coins increasingly offered a portable, recognizable form of payment associated with standards and issuing authority. Their advantages developed within economies that already knew how to measure precious metals and prices.

The arrival of coins did not sweep away rations, loans, weighed silver or payments in goods. Kroll’s study of weighed bullion in archaic Greece examines the continued monetary role of uncoined bullion before and after coinage was adopted. Other communities took up minted money at different times, according to local institutions, policies, resources and commercial needs. Coins changed how payment could be packaged, identified and accepted. Pricing, accounting, contracts and long-distance trade had already existed for centuries, in some cases millennia. Coinage entered those established systems rather than creating exchange from nothing.