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<p>[QUOTE=&quot;Collect89, post: 1877242, member: 15445&quot;]Good luck removing those spots. Have you tried soaking in Acetone for a long time &amp; then tried to pick at the spots with a thorn or toothpick under magnification?&nbsp; Acetone won&#039;t affect the toning present on the balance of the coin.</p><p>&nbsp;</p><p>I suspect the spots are thick black toning.&nbsp;&nbsp; The spots are probably going to be deep &amp; very difficult to remove.&nbsp;&nbsp; IMO there is some nice toning on the balance of the coin.&nbsp; It would be a shame to turn the entire coin bright.&nbsp; You may end up with (1) a bright coin or (2) three bright spots instead of three black spots.&nbsp; Consider saturating a wood toothpick with full strength jewel luster dip.&nbsp; You could touch a spot with the toothpick and then neutralize the coin with a rinse.&nbsp; When the coin is dried, inspect the spot &amp; possibly attempt touching it again with the saturated toothpick.&nbsp; You might need to repeat this about 20-50 times.&nbsp; There is a slim chance you might lighten the spot(s) without making them bright silver.&nbsp; Consider performing this procedure with the coin under a microscope or other magnification.[/QUOTE]</p><p><br /></p>

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