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Many coins throughout history were made of gold, silver and copper. Silver: Gold: Iron: Numerous Chinese cash coins were made of iron, with the first being issued by the Han dynasty in 118 BCE. From 1942 through 1952, some of the Swedish krona coins – such as the 1, 2 and 5 öre – were made of iron. Lead: Most commonly seen in southeast ...
Striking a coin refers to pressing an image into the blank metal disc, or planchet, and is a term descended from the days when the dies were struck with hammers to deform the metal into the image of the dies. Modern dies made out of hardened steel are capable of producing many hundreds of thousands of coins before they are retired and defaced.
Group 11 is also known as the coinage metals, due to their usage in minting coins [2] —while the rise in metal prices mean that silver and gold are no longer used for circulating currency, remaining in use for bullion, copper remains a common metal in coins to date, either in the form of copper clad coinage or as part of the cupronickel alloy.
They are made of iron and have two forms with either small or large characters. The small character iron coins are associated with casting in Shaanxi and Shanxi in the Qing Li period (from 1044). The large character iron coins are associated with Sichuan mints. The histories say that the Huang Song coin was cast in Baoyuan 2 – 1039.
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Coins were first made of scraps of metal by hitting a hammer positioned over an anvil. The Chinese produced primarily cast coinage, and this spread to South-East Asia and Japan. Although few non-Chinese cast coins were produced by governments, it was a common practice amongst counterfeiters. Electrum coin from Ephesus, 650-625 BC.
A catty of iron could be cast into 133 1 wén iron cash coins, or 66 5 wén iron cash coins (which would have a total nominal value of 330 wén), or 53 10 wén iron cash coins (which would have a total nominal value of 530 wén). [15] Iron cash coins were easily produced with iron scrap, which on the market cost 15 wén per catty in 1854. [15]
Iron cash coins also started to be used in greater numbers, at first due to the lack of copper, but later even as more copper was found the production of iron cash coins remained cheaper and an abundance of iron made it more attractive for the government to produce, while several problems such as the fact that iron is harder to inscribe, and ...