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<p>[QUOTE="halfcent1793, post: 3231897, member: 86853"]It still looks dry to me. Try a little mineral oil and a light brushing. Don't remove all of the oil, as that will protect the coin. Personally, I would not use Verdicare, as they don't let you know what is in it.</p><p><br /></p><p>With apologies to Lord M., do NOT use sulfur-vaseline. Sulfur corrodes the copper. That's how it darkens it. The surfaces eventually become matte, which makes it obvious to anyone that the coin has been recolored.</p><p><br /></p><p>It appears that the coin has some green corrosion around the stars and letters. If so, you want to remove that. Think back to your high school chemistry for things that dissolve copper salts but not metallic copper.[/QUOTE]</p><p><br /></p>
[QUOTE="halfcent1793, post: 3231897, member: 86853"]It still looks dry to me. Try a little mineral oil and a light brushing. Don't remove all of the oil, as that will protect the coin. Personally, I would not use Verdicare, as they don't let you know what is in it. With apologies to Lord M., do NOT use sulfur-vaseline. Sulfur corrodes the copper. That's how it darkens it. The surfaces eventually become matte, which makes it obvious to anyone that the coin has been recolored. It appears that the coin has some green corrosion around the stars and letters. If so, you want to remove that. Think back to your high school chemistry for things that dissolve copper salts but not metallic copper.[/QUOTE]
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