Dave Hamric sells element samples under the name Metallium. He's developed a line of coins struck out of various common and uncommon metals: They are quite lovely, and very reasonably priced, considering the difficulty of creating some of them.
Here is the back side of this coin (click either picture to see it larger):
Click the Sample Group link below to see many other coins made of various elements, or click the link to his website above if you want to buy one like this.
This one is particularly funny: Money made out of anti-mony.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 30 September, 2007
Text Updated: 30 September, 2007
Sample Group: Coins