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coin

(Encyclopedia)coin, piece of metal, usually a disk of gold, silver, nickel, bronze, copper, aluminum, or a combination of such metals, stamped by authority of a government as a guarantee of its real or exchange val...

numismatics

(Encyclopedia)numismatics no͞oˌmĭzmătˈĭks, –mĭs– [key], collection and study of coins, medals, and related objects as works of art and as sources of information. The coin and the medal preserve old forms...

Harvey, William Hope

(Encyclopedia)Harvey, William Hope, 1851–1936, American writer on economics, called Coin Harvey, b. Buffalo, Putnam co., W.Va. He studied at Marshall College, practiced law, and interested himself in monetary pro...

mint, in finance

(Encyclopedia)mint, place where legal coinage is manufactured. The name is derived from the temple of Juno Moneta, Rome, where silver coins were made as early as 269 b.c. Mints existed earlier elsewhere, as in Lydi...

Evans, Sir John

(Encyclopedia)Evans, Sir John, 1823–1908, English archaeologist, geologist, and numismatist. A president of the Royal Numismatic Society and of the Society of Antiquaries, he was active also in public welfare and...

Sigtuna

(Encyclopedia)Sigtuna sĭgˈtüˌnä [key], town (1990 pop. 4,918), Stockholm co., E Sweden, on Lake Skarven, near Stockholm. Founded c.1000, it was one of Sweden's earliest towns, its first capital, and a center o...

Jáchymov

(Encyclopedia)Jáchymov yäˈkhĭmôf [key], Ger. Joachimsthal, town, NW Czech Republic, in Bohemia, in the Erzgebirge [ore mountains]. The productivity of its uranium mines, once extensive, has declined since Worl...

silver

(Encyclopedia)silver, metallic chemical element; symbol Ag [Lat. argentum]; at. no. 47; at. wt. 107.8682; m.p. 961.93℃; b.p. 2,212℃; sp. gr. 10.5 at 20℃; valence +1 or +2. Pure silver is nearly white, lustrou...

vending machine

(Encyclopedia)vending machine, coin-operated, automatic device for selling goods. Many vending machines are capable of making change, and some of the more sophisticated ones accept paper money or credit cards. The ...

money

(Encyclopedia)money, term that refers to two concepts: the abstract unit of account in terms of which the value of goods, services, and obligations can be compared; and anything that is widely established as a mean...

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