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<p>[QUOTE=&quot;GoldCoinLover, post: 686548, member: 4336&quot;]Hmm, I learned in my class I took at the ANA on conservation that you can use 2 things)</p><p>1) Do what I did before and scratch it off with a knife (This wasn&#039;t taught in the class, but oddly enough Brian told me he&#039;s seen coins submitted to them with copper spots scratched off too...people would take a razor blade to them. Don&#039;t actually do this)</p><p>2) Take a blowtorch to the copper spot, it should melt right off (Some people did this apparently, again don&#039;t do it)</p><p>3) Use jewel luster. Use a tooth pick (be very careful) on gold coin to the copper spot, dip the toothpick in jewel luster, put a very small amount on the toothpick, dab gently on copper spot.</p><p>I&#039;m going to go through my notes here for you...</p><p>Use Nitrile gloves.</p><p>Put a mat or something underneath it so if you drop it it catches.</p><p>Don&#039;t breath on the coin...remember to neutralize the coin in water after the dip[/QUOTE]</p><p><br /></p>

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