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Just got a tiny Roman coin fragment to show up clearly by trying a 30% white vinegar soak for exactly 45 minutes.

It was completely crusted over, but that short soak softened the hard dirt without hurting the metal, so what's your go-to method for cleaning really delicate finds?
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3 Comments
betty_reed61
Remember my buddy's medieval silver? He tried a mild olive oil soak for weeks, and it just gently lifted the grime off without any harsh reaction. Sometimes the slow, boring way is the safest bet for fragile stuff.
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spencer_sanchez67
Oh yeah totally. @betty_reed61 patience is key with that old stuff. I ruined a coin rushing it once.
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johnh82
johnh822mo ago
Vinegar seems risky for anything but the most common coins.
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