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chrom Regular user 112 Posts 
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Hi all a quick question that I couldn't find a reasonable answer by searching. I have a silver and copper Lassen Triple Threat in the Zombie Morgan. I have kept them in a coin holder (mistake) and the copper has a green tint to it. I really want to get the green off of the coins and if possible make the copper a bit brighter. As they are extremely valuable I am worried about damaging the coin and wanted any advice before trying various "normal coin" remedies. Thanks so much in advance!
Shane |
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GJo Loyal user 283 Posts
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These jeweler's polishing cloths work for me, but some patina will remain in recesses.
https://a.co/d/dMQ0YJx Lots of good, safe copper patina removal ideas here, including solutions of lemon & salt, and vinegar & salt. https://removemania.com/how-to-remove-patina-from-copper/ |
inigmntoya Inner circle DC area native, now in Atlanta 2356 Posts
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I soak copper coins in ketchup. It's non-abrasive and does a thorough job. The coins come out looking fairly light colored - a bit rose/pinkish but they turn a more "normal" copper color after a bit of handling.
Are the Zombie silver coins real silver? If not, I'd be wary about putting a c/s coin in ketchup. Copper casino tokens before and just after ketchup bath:  |
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GJo Loyal user 283 Posts
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Quote:
On Mar 9, 2024, inigmntoya wrote: The link I posted mentions ketchup. Good to know of someone who has tried it. Lemon juice or vinegar plus salt makes sense to me, and could also explain the efficacy of ketchup. |
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inigmntoya Inner circle DC area native, now in Atlanta 2356 Posts
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Quote:
On Mar 9, 2024, GJo wrote: For sure - it's the vinegar in the ketchup that does the work. Because it's thicker, I can stand multiple coins on edge in a small container which ensures fairly even access/coverage all around. |
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chrom Regular user 112 Posts
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Thanks so much. I have both triple threat sets the full silver (which is still beautiful and shiny) and the “copper” that has the green on it. I am not sure if the copper is really copper or something else. I can try the ketchup but is there any risk to the inside of the triple threat meaning the s***l and m**n*t?
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GJo Loyal user 283 Posts
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I wouldn’t submerge a 3T gaff in any cleaning solution.
I’d lay the gaffs flat and apply cleaning solution on them with a brush, sponge applicator or spray bottle (which can be done with a white vinegar & salt solution). |
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inigmntoya Inner circle DC area native, now in Atlanta 2356 Posts
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I wouldn't worry about those two parts individually, but there might be an issue with the adhesive holding them together as I have no idea what was used.
My best guess is it was not something a bit of ketchup would dissolve,but there are no guarantees. UPDATE: Apparently while not as strong as acetone, vinegar CAN dissolve super glue if that's what was used. Quote:
On Mar 10, 2024, chrom wrote: |
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chrom Regular user 112 Posts
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Thanks so much. I think I will use ketchup but lay them flat, as suggested, and keep a cloe eye on them. Will report back. I have a full coin (non gimmicked) I will test it on first.
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GJo Loyal user 283 Posts
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Quote:
On Mar 11, 2024, chrom wrote: Good way to use those extra ketchup packets we sometimes have after a burger. |
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chrom Regular user 112 Posts
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So to report back everything is nice and shiny now! The full coins were a piece of cake but the s***ls I was extremely careful with. The grime was so thick I probably ran three runs of 10 + minutes a piece on some of the coins but got almost all of it. The triple threats did not totally shine up as much as the others but still better than they were.
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magojose| Regular user 200 Posts
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Or you can use just water in order to take off that green patina. Once Told told me to do that on some copper coins and it work just fine
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Posted: Mar 9, 2024 12:10 pm 