Why do coins have ridges? Ask History #canadian #coin #collection http://coin.nef2.com/why-do-coins-have-ridges-ask-history-canadian-coin-collection/  #like coins # Why do coins have ridges? Ever wonder why some coins have those little ridges along their sides? The answer goes back to 1792, when the Coinage Act established the U.S. Mint. That same act of legislation also specified that $10, $5 and $2.50 coins (known as eagles, half-eagles and quarter-eagles) were to be made of their face…
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