  Tin soldier horse mold. 
This is an aluminum mold for making a tin horse (to go along with a tin soldier of course).  The black is soot, put their intentionally with a candle to make the tin release from the mold more easily. 
Source: Unknown eBay seller 
Contributor: Theodore Gray 
Acquired: 8 February, 2009 
Text Updated: 8 February, 2009 
Price: $1 
Size: 4" 
Purity: 0%
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