| | | Aluminum Penny. This is an incredibly rare coin: An experimental penny made to see if aluminum would be a good substitute for copper, when the price of copper rose to more than a penny per penny.  Only a very small number were every minted, because they decided to go with copper-clad zinc instead.  In fact, the coin is so rare that I couldn't possibly actually have one: This is a copy made by a company that specializes in making (legitimate) copies of extremely rare coins.  Note that it's clearly stamped "COPY" so there is no confusion.
 Source: eBay seller dlrguy
 Contributor: Theodore Gray
 Acquired: 11 July, 2003
 Price: $10
 Size: 1/2"
 Purity: >99%
 Sample Group: Coins
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