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 Replies: 15 / Views: 2,121 |
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Valued Member
United States
334 Posts |
Picked up a few proof sets this week and noticed the Lincoln coin is having an issue in the case. The case does not look to be damaged at all. The concern is will this corrosion spread to the other coins or leave it alone. Thanks to the members for all the help I hope I am in the right forum if not can the moderators please move to the correct forum.   |
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Pillar of the Community
United States
1601 Posts |
What the heck is that? I don't think I've ever seen that sort of granular corrosion before, but maybe I just haven't seen it so magnified. Is it zinc-rot or feeding on the copper itself? IMHO, the rest of the clad coins should be safe, but since the look of the cent is so off-putting, you might want to crack the set and do something else with the balance. That's what I would do, but it's your set, so  Edited by Biedercoins
03/08/2016 08:30 am
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Valued Member
 United States
334 Posts |
Thanks for the reply. Out of the 50 or so sets I have this is the only one that has this.
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Pillar of the Community
United States
4901 Posts |
WOW! If that is verdigris it is the most severe I have ever seen...and it would be limited to copper/bronze coins.
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Moderator
 United States
188213 Posts |
 Proof sets are not air tight, so it was exposed to something at some point. I would crack it, save the good coins. Toss the cent, or maybe try some Verdi-care and hope for the best. |
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Valued Member
United States
334 Posts |
Thanks for all the info guys will do. Should I get hard plastic cases for the other proof coins or will 2X2 flips be ok..
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Pillar of the Community
United States
1601 Posts |
Quote:
Out of the 50 or so sets I have this is the only one that has this If you have a duplicate, then don't sweat it; just crack it and keep it away from the rest of your real copper. Scrape off the nastiness and spend it - see if you get a reaction from the cashier. or put it in the "take a penny" tray. I love liberating proofs at a cash register or a tip jar.
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Rest in Peace
United States
17900 Posts |
That is some seriously evil fungi amongi. The verdicare would at least kill the beast, although it won't save the porosity this has caused.
It's a spender, either way.
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Pillar of the Community
United States
1913 Posts |
The mirrored surface next to the green funk looks like it has a finger print on it.
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Moderator
United States
188213 Posts |
Quote:
Should I get hard plastic cases for the other proof coins or will 2X2 flips be ok.. 2x2 holders would be fine for now. Most of my proof coins are in Dansco albums and they are fine. Quote:
The mirrored surface next to the green funk looks like it has a finger print on it. I think that is just the typical imperfections with a copper plated zinc planchet. |
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Valued Member
United States
334 Posts |
Hey Bret, It is an orange peel effect. The whole obverse has it.
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Pillar of the Community
United States
982 Posts |
I only like sprinkles on my ice cream. |
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Pillar of the Community
United States
1601 Posts |
Tommyjet, just fall back to the wisdom of your signature line. Cracks me up every time I read it!  |
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Valued Member
299 Posts |
I'd leave it alone and keep it just to see what happens next. It's not an expensive set and it might be fun. The fingerprint is obvious but the likely culprit is the galvanic disassociation of unlike metals initiated by the addition of a catalytic agent. The blue granules appear to be copper sulfate.
Edited by freddo30
03/16/2016 9:56 pm
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Pillar of the Community
United States
982 Posts |
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...the likely culprit is the galvanic disassociation of unlike metals initiated by the addition of a catalytic agent. Ironically, this is exactly what my mechanic told me the last time my car broke down.  |
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Valued Member
United States
265 Posts |
Captain Rich mine told me muffler bearings, they were only $100 dollars. I needed 2 tho. |
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Replies: 15 / Views: 2,121 |
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Posted 03/08/2016 08:33 am
