Penny

omegared31

Full Member
Mar 12, 2015
166
175
Temperance, Mi.
Detector(s) used
Garrett AT Pro
Primary Interest:
All Treasure Hunting

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I've found silver coins that I concluded were in a fire or exposed to heat do that.
 

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Thats a penny or was, the zinc is corroding. They do that when they are in water and sometimes if they are in a fire. The zinc ones just do not last in the ground.
 

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Its a weird coin for sure. Drop it on a table it sounds lead. But I'm sure ur right about the fire.
 

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Oh and copper cents exposed to fertilizer and or salts can do that too.
 

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I've tumbmed a few that boilded up like that and it never could expose the dates. Here's a few ratty wheats that I've kept:
 

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That's what we refer to as a Zincoln.
 

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