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 Replies: 16 / Views: 1,923 |
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Pillar of the Community
United States
3237 Posts |
Soak in pure acetone. I bet some of that gunk can be removed. Very nice RPM!
Edited by SamCoin
06/14/2020 6:02 pm
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Bedrock of the Community
United States
94367 Posts |
Acetone unlikely to help, Verdi-care might, but the area under the ED will remain discolored.
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Bedrock of the Community
United States
62064 Posts |
RPM-001. The RPM I found years ago.  |
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Pillar of the Community
 United States
1204 Posts |
Thanks Spence, SamCent, Coinfrog, and Coop.
Hadn't heard of Verdi-care. Where do you get it?
I might have to fall back on my bronze disease treatments from museum artifacts - remove growth, solution of sodium carbonate to neutralize acid, distilled water to remove chlorides, acetone to remove water.
Not sure the coin would be same color after though.
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Bedrock of the Community
United States
74999 Posts |
Great find!
Errers and Varietys.
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Pillar of the Community
United States
1204 Posts |
I was challenged to come up with a contest for my 100th post.
So how about this - my favorite variety is this RPM. But it has bronze disease.
Contest-
Find a similar green coin, take before pictures. Use your best treatment on it. Take an after picture. Post them with directions.
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Pillar of the Community
United States
3281 Posts |
Wow the big RPM! Nice going!
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Pillar of the Community
United States
1204 Posts |
Thanks silvercents. Are you going to take up my contest?
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Pillar of the Community
United States
3281 Posts |
Perhaps! Currently at a beach resort without any cleaning agents, so I'll have to wait a little bit.
I would create a post in the Contest section.
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Pillar of the Community
United States
1204 Posts |
We have a contest section? LOL.  I'm very insular. I generally don't look outside Varieties and maybe CRHing. |
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Pillar of the Community
United States
1204 Posts |
SilverCents - and anyone else interested. I've created a prize contest in the contest section. Winner at the end of July. http://goccf.com/t/377373 |
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Pillar of the Community
United States
1204 Posts |
Bumping this to remind everyone to submit a treated copper coin to my contest in the Contest section of the forum.
Only 12 days left (open until July 30th).
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Pillar of the Community
United States
3281 Posts |
What exactly are you qualifying when deciding the winner?
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Pillar of the Community
United States
1204 Posts |
SilverCents - How well the corrosion is removed, with out damaging the rest of the coin.
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Pillar of the Community
United States
3281 Posts |
Interesting alright thanks, curious to see who the winner will be!
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Replies: 16 / Views: 1,923 |
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First Page
Posted 06/14/2020 9:09 pm
