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Hammered coinage describes the most common form of coins produced since the invention of coins in the first millennium BC until the early modern period of ca. the 15th-17th centuries.
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History
Hammered coins were produced by placing a blank piece of metal (a planchet or flan) of the correct weight between two dies, and then striking the upper die with a hammer to produce the required image on both sides. The planchet was usually cast from a mold. The bottom die (sometimes called the anvil die) was usually counter sunk in a log or other sturdy surface and was called a pile. (This may be related to the modern term pile driver). One of the minters held the die for the other side (called the trussel), in his hand while it was struck either by himself or an assistant.
In later history, in order to increase the production of coins, hammered coins were sometimes produced from strips of metal of the correct thickness, from which the coins were subsequently cut out. Both methods of producing hammered coins meant that it was difficult to produce coins of a regular diameter. Coins were liable to suffer from 'clipping' where unscrupulous people would remove slivers of precious metal since it was difficult to determine the correct diameter of the coin. Coins were also vulnerable to 'sweating,' which is when silver coins would be placed in a bag that would be vigorously shaken. This would produce silver dust, which could later be removed from the bag.
Milled coins
The albility to fashion coins from machines (Milled coins) caused hammered coins to gradually became obsolete during the 17th century. Interestingly they were still made in Venice until the 1770s. France became the first country to adopt a full machine made coin in 1643.
In England the first non-hammered coins were produced in the reign of Queen Elizabeth I in the 1560s, but while machine-produced coins were experimentally produced at intervals over the next century, the production of hammered coins did not finally end until 1662.
Casted coins
An alternative method of producing early coins, particularly found in Asia, especially in China, was to cast coins using molds. This method of coin production continued in China into the nineteenth century. Up to a couple of dozen coins could be produced at one time from a single mold, when a 'tree' of coins (which often contained features such as a square hole in the centre) would be produced and the individual coins (called cash) would then be broken off.
Gallery showing hammered coin production [1]
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See also
References
- ^ Cochran-Patrick, R. W. (1876), Records of the Coinage of Scotland. Pub. Edmonston and Douglas, Edinburgh.
External links
Article is licensed under GNU Free Documentation License.
It uses material from Wikipedia.org Original article is here.
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