Celtic Coinage
The coinage of the ancient Celts, minted from the early 3rd century BCE to the 1st century CE, at first imitated Greek and then Roman coins. Celtic engravers then soon developed their own unique style, creating distinctive coins with depictions of stylised horses, abstract shapes, and the portraits of Celtic chiefs. Not being part of a wider political and economic entity like the Roman Empire, gold, silver, and bronze Celtic coins were rarely used for interregional trade but were, rather, used to buy and exchange goods locally and to spread imagery of rulers, tribes, and the ancient Celtic religion. Finally, coins were frequently buried in large hoards as part of votive rituals.
The Function of Celtic Coinage
An enormous number of Celtic coins have been found in burials and as part of ritual treasure hoards across Europe. Some hoards contained as many as 10,000 coins. Celtic coins were used for a variety of reasons. They were, as one would expect, used as a currency to acquire goods locally but coins were primarily used as a more convenient replacement for other high-value goods which had previously been used in a barter system. Coins were also offered as diplomatic gifts and perhaps given as tribute to more powerful neighbouring rulers.
Coins were also minted for prestige reasons: to demonstrate the wealth and sophistication of a particular chief and to spread their likeness amongst the people they ruled. Coins were sometimes dispensed by chiefs to their people on special occasions as a demonstration of their success and generosity. It is for this reason, perhaps, that the minting of Celtic coins was so sporadic: only when a ruler needed extra legitimacy for their rule were new coins minted.
Although coins provided artists with a new medium to show off their skills, an unexpected consequence of their introduction on wider ancient Celtic art is here summarised by the historians J. Farley and F. Hunter:
The spread of coinage coincided with a rapid decline in the production of unique and ornately decorated objects: the shields, weapons and torcs that were both symbols of status and power, and the canvases for earlier Celtic art. As small, mass produced objects, coins are undoubtedly less impressive than the imposing metalwork that had gone before but they offered a new kind of impact. Rapid manufacture and portability allowed powerful images, political messages, and a newly transformed stock of Celtic art to be transmitted to a wider audience than ever before.
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Celtic coins were rarely used in interregional trade since, unlike say in the Roman Empire, Celtic Europe was made up of many different tribal groups and the coinage of one had no value in another except for the weight of precious metal. It is for this reason that small scales have turned up everywhere in the archaeological record, needed to assess the real value of coins which were used in trade. A consequence of the necessity for a coin to have a real value as opposed to a face value was that should any chief be tempted to debase the metal in their coinage (and some did), they would find it of little use outside their own territory.
Finally, coins were frequently buried in hoards. However, this was not always a mere ‘bank in the ground’ strategy but likely involved some sort of specific ritual and was done as a votive offering to Celtic deities. Such deposits were added to over a period of many years, sometimes several decades, and were often divided into multiple hoards in the same vicinity. The site of Hallaton in England, for example, has been excavated by archaeologists, and they discovered over 5,000 coins buried in 16 different places. Nearby were remains of ritual animal sacrifices, further pointing to a religious significance to the burial of these coins.
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