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Chicago International exposition medal/token
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<p>[QUOTE="Pickin and Grinin, post: 8008033, member: 73995"]Hot water didn't faze it at all.</p><p>This one was unfazed by distilled water. I believe that the acetone dip is what turned the areas of corrosion white. I have done it many times on bronze and copper, especially Lincoln cents. So I did not give this a soak in acetone. I wish that I had a bottle of Verdi care. But haven't been able to get one, so that one was out of the question.</p><p>MS70 was the only treatment that I really had at my disposal.</p><p>It wasn't a quick fix with MS70 either. This took quite a bit of time. Coating the medal with a q tip, letting it sit and then rolling a wet q tip on top to remove the encrusted areas, As you can see there is still some areas on the reverse that need to be removed.</p><p>Here is a couple different camera angles and settings of the coin.</p><p>[ATTACH=full]1389375[/ATTACH]</p><p>[ATTACH=full]1389384[/ATTACH]</p><p>[ATTACH=full]1389385[/ATTACH]</p><p>I am still unsure how this coin is supposed to rotate.</p><p>Medal alignment with I think some slightly rotated dies.</p><p>[ATTACH=full]1389386[/ATTACH]</p><p>Coin Alignment</p><p>[ATTACH=full]1389390[/ATTACH]</p><p><br /></p><p>When I finish the last treatment on the reverse it will go into the coin cabinet to get a skin on it.[/QUOTE]</p><p><br /></p>
[QUOTE="Pickin and Grinin, post: 8008033, member: 73995"]Hot water didn't faze it at all. This one was unfazed by distilled water. I believe that the acetone dip is what turned the areas of corrosion white. I have done it many times on bronze and copper, especially Lincoln cents. So I did not give this a soak in acetone. I wish that I had a bottle of Verdi care. But haven't been able to get one, so that one was out of the question. MS70 was the only treatment that I really had at my disposal. It wasn't a quick fix with MS70 either. This took quite a bit of time. Coating the medal with a q tip, letting it sit and then rolling a wet q tip on top to remove the encrusted areas, As you can see there is still some areas on the reverse that need to be removed. Here is a couple different camera angles and settings of the coin. [ATTACH=full]1389375[/ATTACH] [ATTACH=full]1389384[/ATTACH] [ATTACH=full]1389385[/ATTACH] I am still unsure how this coin is supposed to rotate. Medal alignment with I think some slightly rotated dies. [ATTACH=full]1389386[/ATTACH] Coin Alignment [ATTACH=full]1389390[/ATTACH] When I finish the last treatment on the reverse it will go into the coin cabinet to get a skin on it.[/QUOTE]
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Chicago International exposition medal/token
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