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<p>[QUOTE=&quot;desertgem, post: 963603, member: 15199&quot;]I am very sure there are chemicals that will remove verdigris more actively, but I doubt you will find one that doesn&#039;t change the color/appearance of the surface unfavorably in doing so. Using the Verdi-care product shouldn&#039;t leave cleaning marks on the coin, nor change the color/appearance if directions are followed. I understand the need for experimentation. There are plenty of test coins which show up in pocket change regularly to use rather than the coins you show, IMO. Goodluck.[/QUOTE]</p><p><br /></p>

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