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<p>[QUOTE="doug444, post: 1938876, member: 38849"]Yes, the petroleum compounds are very mild and work slowly. I don't worry about rubbing the coins, which are circulated. A harsh rag <i>might</i> leave some tiny lines on a Proof, but all this hand-wringing about a soft cotton rag damaging a circulated coin, in my opinion, that's baloney. There are chemical ways to speed up the process, but it's dangerous, and I'm not going to discuss the method.</p><p><br /></p><p>By the way, coin supply stores sell cotton gloves for people to wear to handle coins, to protect them from fingerprints, sweat, and salt. That's good enough for me.</p><p><br /></p><p>edit/// My favorite rag? An old <b>100% cotton</b> bedsheet, cut into 24-inch squares. <u>NO Permanent Press</u>. Go to an estate sale and buy the most worn-out sheet you can find, probably about a buck. Wash in hot water frequently; every time it gets softer and more absorbent. The Vaseline you started with was yellowish-white; what comes off the coin is usually yellowish-green, meaning it dissolved a thin layer of almost-invisible corrosion and other contaminants, and the coin looks 100% better, but not shiny or polished. Do not put Vaseline on silver or gold.[/QUOTE]</p><p><br /></p>
[QUOTE="doug444, post: 1938876, member: 38849"]Yes, the petroleum compounds are very mild and work slowly. I don't worry about rubbing the coins, which are circulated. A harsh rag [I]might[/I] leave some tiny lines on a Proof, but all this hand-wringing about a soft cotton rag damaging a circulated coin, in my opinion, that's baloney. There are chemical ways to speed up the process, but it's dangerous, and I'm not going to discuss the method. By the way, coin supply stores sell cotton gloves for people to wear to handle coins, to protect them from fingerprints, sweat, and salt. That's good enough for me. edit/// My favorite rag? An old [B]100% cotton[/B] bedsheet, cut into 24-inch squares. [U]NO Permanent Press[/U]. Go to an estate sale and buy the most worn-out sheet you can find, probably about a buck. Wash in hot water frequently; every time it gets softer and more absorbent. The Vaseline you started with was yellowish-white; what comes off the coin is usually yellowish-green, meaning it dissolved a thin layer of almost-invisible corrosion and other contaminants, and the coin looks 100% better, but not shiny or polished. Do not put Vaseline on silver or gold.[/QUOTE]
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