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<p>[QUOTE="leaconcen, post: 1284799, member: 31684"]SCD is a so called dollar. Rather it was an aluminum medal made for the Columbian exposition in 1893. I looked at a photograph of what a better example looked like and determined that some kind of paint/varnish had been used to give it a dark background. The example I had still had the substance on it but the darker background had turned into a light gray opaque substance. When I dipped it into the acetone all the substance came off at one time. Rather be careful of dipping medals they may have an organic substance placed onto it when it was made. At the very least the stuff that comes off will mess up any container you have the acetone and the medal in.[/QUOTE]</p><p><br /></p>
[QUOTE="leaconcen, post: 1284799, member: 31684"]SCD is a so called dollar. Rather it was an aluminum medal made for the Columbian exposition in 1893. I looked at a photograph of what a better example looked like and determined that some kind of paint/varnish had been used to give it a dark background. The example I had still had the substance on it but the darker background had turned into a light gray opaque substance. When I dipped it into the acetone all the substance came off at one time. Rather be careful of dipping medals they may have an organic substance placed onto it when it was made. At the very least the stuff that comes off will mess up any container you have the acetone and the medal in.[/QUOTE]
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