Science is beautiful. Of course it doesn't mean that your coin has went through a similar type or process but it puts things into a perspective - not everything looks as it seems
Verweis : "Camerinvs"You'll love this short YouTube video:
Turn Pennies Silver and Gold
I got this from John Regitko in the latest Canadian Coin News (September 19─Octob I kept a coin in the album,I noticed that the coin began to cover with a silver coating.Watch out carefully that it is not silver everywhere.along with a silver coating, a green spot appeared in the reverse,the coin was tested with a silver tester.the spot was not visible before
Verweis : "Camerinvs"You'll love this short YouTube video:
Turn Pennies Silver and Gold
I got this from John Regitko in the latest Canadian Coin News (September 19─Octob I kept a coin in the album,I noticed that the coin began to cover with a silver coating.Watch out carefully that it is not silver everywhere.along with a silver coating, a green spot appeared in the reverse,the coin was tested with a silver tester.the spot was not visible before
My brother found a coin during the demolition of an old building, 2 years ago.