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<p>[QUOTE=&quot;physics-fan3.14, post: 3300422, member: 19165&quot;]Lemon juice is an acid. Acids should never be applied to coins. That is an absolutely terrible, awful piece of advice. It will etch the surface of a coin, strip the patina, and otherwise damage the coin. NEVER USE LEMON JUICE, OR ANY OTHER ACID, ON ANY COIN. EVER. </p><p><br /></p><p>And applying vaseline with a q-tip and then wiping it off with a cloth to remove dirt.... insane. You&#039;ll scratch the hell out of your coin. Absolutely terrible idea. </p><p><br /></p><p>If there is dirt on your coin, you should gently soak it in water or oil to loosen the dirt or grime, and then use a lightly flowing water source to rinse away the dirt as well as you can. After that, I would use an acetone bath to remove any foreign contaminants. </p><p><br /></p><p>*ONCE THE DIRT IS GONE AND YOU ARE DISSOLVING ORGANIC CONTAMINANTS IN ACETONE*, applying a q-tip is safe. If you were only concerned about PVC contamination, acetone and a q-tip would be perfectly fine. The q-tip itself will not harm the coin. The acetone will not harm the coin. Dirt embedded in the crevices and then picked up by the q-tip or cloth will ABSOLUTELY DESTROY THE COIN. </p><p><br /></p><p>[USER=98133]@tammiGee[/USER] ..... it seems like you have much to learn. It seems like you don&#039;t realize this and post like you are an experienced expert. You aren&#039;t, although you tried to appeal to my reputation. I appreciate posters in this thread summoning me to correct your errors.[/QUOTE]</p><p><br /></p>

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