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What is it, and what's it worth? Possible Coin of Constantius II
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<p>[QUOTE="gsimonel, post: 7369560, member: 82549"]Let the coin soak in 6-8 oz. of distilled water (DW) for a 2-3 days, then empty the water, pat the coin dry and put it back in fresh DW. Repeat this process for 3-4 weeks. You'll want to let the coin sit out somewhere that you will see it often so that you can be sure the BD is completely removed and doesn't come back. If you don't see any signs of BD after 4-6 months, you can be pretty confident that you've cured it. If it does come back, just repeat the above process. About 5% of the coins that I've treated have required a second treatment. I've never had a coin required a third treatment (so far).</p><p><br /></p><p>To repeat: you need to do this ONLY if the green stuff is soft and powdery. If it is hard and you can't remove any of it by rubbing your finger over it, it's not BD. The treatment I've described above will not help remove anything, but nor will it hurt it in any way.[/QUOTE]</p><p><br /></p>
[QUOTE="gsimonel, post: 7369560, member: 82549"]Let the coin soak in 6-8 oz. of distilled water (DW) for a 2-3 days, then empty the water, pat the coin dry and put it back in fresh DW. Repeat this process for 3-4 weeks. You'll want to let the coin sit out somewhere that you will see it often so that you can be sure the BD is completely removed and doesn't come back. If you don't see any signs of BD after 4-6 months, you can be pretty confident that you've cured it. If it does come back, just repeat the above process. About 5% of the coins that I've treated have required a second treatment. I've never had a coin required a third treatment (so far). To repeat: you need to do this ONLY if the green stuff is soft and powdery. If it is hard and you can't remove any of it by rubbing your finger over it, it's not BD. The treatment I've described above will not help remove anything, but nor will it hurt it in any way.[/QUOTE]
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What is it, and what's it worth? Possible Coin of Constantius II
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