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Problem- Gold Buffalo with Three Red Spots
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<p>[QUOTE="alhas, post: 455639, member: 6275"]I purchased this 2008-W Gold Buffalo from US Mint in August. There were no spots when I received the coin. This coin was in two ziploc freezer bags with three buffalos purchase at the same time. The ziploc bags were placed in the safe with several Silica Gel packets.</p><p> </p><p>Note the two large red spots and one small one on the ribs. There is a <b>black</b> spot in the center of the two large <b><span style="color: red">red</span></b> spots! What chemical reaction could have caused this? It appears to have increased in size with time.</p><p> </p><p>What can I do to stop and remove this chemical reaction?</p><p> </p><p>Thanks![/QUOTE]</p><p><br /></p>
[QUOTE="alhas, post: 455639, member: 6275"]I purchased this 2008-W Gold Buffalo from US Mint in August. There were no spots when I received the coin. This coin was in two ziploc freezer bags with three buffalos purchase at the same time. The ziploc bags were placed in the safe with several Silica Gel packets. Note the two large red spots and one small one on the ribs. There is a [B]black[/B] spot in the center of the two large [B][COLOR=red]red[/COLOR][/B] spots! What chemical reaction could have caused this? It appears to have increased in size with time. What can I do to stop and remove this chemical reaction? Thanks![/QUOTE]
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