Green Gunk on Silver Coins (1921 SLQ) - What to Do?

Discussion in 'Coin Chat' started by MIGuy, Apr 23, 2022.

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  1. -jeffB

    -jeffB Greshams LEO Supporter

    That sort of electrolytic cleaning is a gentler way to remove tarnish than a lot of others, but I sure wouldn't crack a key coin out of a problem-free slab to do it.
     
    -jeffB, Apr 28, 2022
    #41 + Quote Reply
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  3. Insider

    Insider Talent on loan from...

    Great Post! It shows how far we've come since the 1940's & 1950's.
     
    Insider, Apr 28, 2022
    #42 + Quote Reply
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