Silver tetradrachma wearing a laurel wreath, c. Photo: Courtesy Trustees of the British Museumġ15 Coin: Euthydemus in old age.
Photo: Courtesy Trustees of the British Museumġ14 Coin: Demetrius helmetted. 170-65 BC, the largest gold coin now in existenceġ13 Coin: Eucratedes and (reverse) two horses. c, 230 BC, on his silver tetradrachma and, finally, Eucratedes' gold stater, c. With on one side the king's head and on the other the Dioscuri on horseback Demetrius helmeted on his silver tetradrachma of the late third century BC Illustrations 113-116, pp132-133 in Tamara Talbot Rice, Ancient Arts of Central Asia, 1965ġ13, 114, 115, 116 These four examples illustrate the quality of Bactria's coins.įrom left to right are shown the obverse and reverse of Eucrarides' silver tetradrachma, c.
Bactrian coinage free#
The 20p (16% Ni) and 50p (25% Ni) coins are still made with copper-nickel.Bactrian Coins, Bibliothèque Nationale, Paris - ANCIENT ARTS OF CENTRAL ASIA by Tamara Talbot Rice Try Amazon Music Unlimited Free TrialĬlick for larger images of these Bactrian Coins In January 2013, the Royal Mint began a programme to recover cupronickel five pence and ten pence coins from circulation. In the U.K., silver-colored coins minted between 19 were made from copper-nickel. coinage: the Jefferson nickel is 75% copper and 25% nickel quarters and dimes minted since 1964 and half dollars minted since 1971 are clad with copper-nickel. Five cent copper-nickel coins were minted the following year. The 2 euro has a reversed look and somewhat different composition: a copper-colored inner section (75% Cu, 20% Zn, 5% Ni clad on nickel core) and a silver-colored outer section (75% Cu, 25% Ni).Ĭopper-nickel was first used in the U.S. The 1 euro coin is composed of a silver-colored inner section (75% Cu, 25% Ni clad on nickel core) and a copper-colored outer section (75% Cu, 20% Zn, 5% Ni). nickel and clad coinage are made with copper nickel. Today, the 1 and 2 euros, 20p and 50p (UK), Swiss franc, South Korean 500 and 100 won denominations and U.S. Since that time, many civilizations minted durable, corrosion-resistant coins made from copper-nickel. Greco-Bactrian kings circulated the first copper-nickel coins around 235 B.C.E. It’s the combination of all of these properties that enables copper-nickel to be a unique and valuable coinage material today. Brand new copper-nickel coins can be minted from recycled metals. Recyclability: Copper-nickel coins are 100% recyclable.Ease of stamping: Large volumes of coins can be struck with minimal maintenance.Allergy risk: Billions of people handle copper-nickel coins with no allergic reaction at all. The risk of contact dermatitis with copper-nickel is very small.Malleability: Clear images and distinct edging can be struck on copper-nickel coins.This is one reason why copper-nickel was chosen for the 1- and 2-euro denominations. Durability: Copper-nickel coins can survive at least 30 years in circulation.This is because copper surfaces kill dangerous bacteria, viruses and fungi quickly and with a high degree of efficacy. Antimicrobial properties: Copper-nickel coins are much more sanitary than coins that do not contain copper.Electrical conductivity: Copper-nickel coins have specific electronic signatures that help prevent fraud in vending and coin-handling machines.Corrosion resistance: Copper-nickel alloy coins do not tarnish.
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