your 2 cents

i been told this is not an acid job due too the high and low points of the coin,i just want any ideas of possibilities without the acid one ,,thanks

 

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Maybe in the ground for a long time?

 

I'm not quite sure what you mean by "due to the high and low points". May we see a photo of the reverse?

Chris

 

Where is the other side of the coin?

The grainy spots are similar to corrosion. The long woody strands remind me of a lamination peel. See photo in this topic...

http://www.cointalk.com/threads/an-interesting-and-puzzling-1-cent-error-canadian.229944/

 

I also suspect corrosion.

 

sorry guys i have only this pic i will take more of the back of coin

 

lots of things will cause corrosion to form on copper and it eats the copper away the same as acid would. this is what some copper coins looks like when found with a metal detector and the corrosion removed from the coins.