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I had to share this. I just searched 10 rolls that were completely corroded with verdigris. There was blue powder all over the place. I probably should have asked before searching the rolls just how toxic this stuff is. Anyway, here's a blue penny for you.
No, it's definitely verdigris. Look at how blue the tube looks and the edges of the other coins in the one photo. All the coins from these 10 rolls were covered in it. This one just happened to be the worst of them. I don't even know how you could try and deliberately store coins in a worse environment than these were stored in, but I've never seen them this bad.
“What can be asserted without evidence can also be dismissed without evidence.”
Coins in that condition have to be dried out totally no moisture should be anywhere near them or else its a total loss. If that powder gets on any other coins or on your working area then it is even worse.
It's strictly a corrosive. Not poisonous, but will eat away at other metals. Whoever said something about crayons wasn't too far off the mark. Back in the 16th century, verdigris was intentionally "grown" to produce a green pigment for artists paintings.
I've been reading up on it(since my eyes burning eyes started making me worried) and it's definitely toxic. I'm having a hard time finding how toxic, but it seems we copper lovers might have some occupational hazards.
Still doesnt look like verdigris to me. The way it chipped of in areas on that coin and its an odd color blue. The design still looks fine to be corroded with that much verdigris. Throw them in water or acetone. See what happens
As for the poisoning. I weld stainless steel all day. Im way past toxic
Last edited by kloccwork419; 12-31-2011, 07:50 PM.
WTH? Now I just opened an old foil lined roll of 1959-D's that had been sealed for obviously years, and it was full of white powder all along the lining. Anthrax? I swear if this hobby kills me...
“What can be asserted without evidence can also be dismissed without evidence.”
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Anyway, here's a blue penny for you.
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