ok guys, here we go again! the suggestion ( your claim) that this coin has experienced the acquaintance of some type of chemical, I. e. acid is probably possible. but you state with such a certainty that it was acid! I asked this question before in another post and got sort of laughed at ..in a way. and some of you then side tracked the actual issue and had excuses, but NO answers.!! Now, I am asking again:
Quote: what kind / type of acid does produce this porous effect on both sides? AND, does it on copper and silver.
I believe when a coin is submerged in to coke, it comes out evenly eaten and is not porous. similar as using vinegar. I am asking because I do not know and wish to know, and obviously, based on your very assertive statements, some of you guys do know and can explain?.
47 use a google search there is extensive info on the subject. Or you can buy a can of real coke and just let an old bronze cent sit there for awhile. PS DO NOT DRINK the used coke!!!!!
47, I had a buddy long ago give me a reason for the pitting & pocking. I believe he actually did this in his garage. Apparently, some contaminants on a coins surface are attacked more aggesively when exposed to corrosives. It sounds plausible, but neither he no I have any scientific training. But then, why ask why? It's enough for me to recognize the appearance of a messed with piece.
Pacific, I actually have done the Coke thing. But, it does NOT have the same pitted and wobbly result. Perhaps when u did it, you used a "different coke concentration"?
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Posted 12/28/2014 12:45 am
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