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Exonumia - Tokens and Medals
The American Heritage Dictionary of the English Language defines a token as "a piece of stamped metal used as a substitute for currency." The Dictionary of Numismatic Terms published by the American Numismatic Association says a token is "usually a piece of durable material appropriately marked and unofficially issued for monetary, advertising, services, or other purposes."
Exonumia is the tern used for the following types of tokens: Elongated Coins, Encased Coins, Medals, Civil War Tokens, Love Tokens, Transit Tokens and The Most Popular token..... Trade Tokens!