  Copper plated aluminum coin.
I got this coin on a trip to Japan last year, and only now got around to photographing and describing it. Japanese one-yen coins are aluminum, but they are undisguised. This one, whose age and value I have no idea of, is copper plated aluminum, presumably an attempt to hide the shame of making your money from such a cheap metal. But the lightness gives it away.
Source: Japan
Contributor: Theodore Gray
Acquired: 20 November, 2007
Price: $1
Size: 0.5"
Purity: >90%
Sample Group: Coins
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