Message:

<p>[QUOTE=&quot;coinzip, post: 2028809, member: 10938&quot;]Its really not worth your time to do anything to try to clean them. </p><p><br /></p><p>If you want to experiment on a couple of the green coins, which is most likely verdigris, don&#039;t worry about hurting the coin, the damage is already done. There are several products on the market, some have already been mentioned above. A product you may already have in your home is Olive Oil. </p><p><b><br /></b></p><p><b>Verdigris</b> is the common name for a <a href="http://en.wikipedia.org/wiki/Green" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Green" rel="nofollow">green</a><a href="http://en.wikipedia.org/wiki/Pigment" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Pigment" rel="nofollow">pigment</a> obtained through the application of <a href="http://en.wikipedia.org/wiki/Acetic_acid" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Acetic_acid" rel="nofollow">acetic acid</a> to <a href="http://en.wikipedia.org/wiki/Copper" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Copper" rel="nofollow">copper</a> plates<a href="http://en.wikipedia.org/wiki/Verdigris#cite_note-2" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Verdigris#cite_note-2" rel="nofollow">[2]</a> or the natural<a href="http://en.wikipedia.org/wiki/Patina" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Patina" rel="nofollow">patina</a> formed when copper, <a href="http://en.wikipedia.org/wiki/Brass" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Brass" rel="nofollow">brass</a> or <a href="http://en.wikipedia.org/wiki/Bronze" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Bronze" rel="nofollow">bronze</a> is weathered and exposed to air or seawater over a period of time. It is usually a basic<a href="http://en.wikipedia.org/wiki/Copper_carbonate" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Copper_carbonate" rel="nofollow">copper carbonate</a>, but near the sea will be a <a href="http://en.wikipedia.org/wiki/Dicopper_chloride_trihydroxide" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Dicopper_chloride_trihydroxide" rel="nofollow">basic copper chloride</a>.<a href="http://en.wikipedia.org/wiki/Verdigris#cite_note-3" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Verdigris#cite_note-3" rel="nofollow">[3]</a> If <a href="http://en.wikipedia.org/wiki/Acetic_acid" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Acetic_acid" rel="nofollow">acetic acid</a> is present at the time of weathering, it may consist of <a href="http://en.wikipedia.org/wiki/Copper(II)_acetate" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Copper(II)_acetate" rel="nofollow">copper(II) acetate</a>.</p><p><br /></p><p>If the green is PVC you can remove the PVC with acetone, most hardware stores will have it in pure form.</p><p><br /></p><p>Keep in mind once you see green on copper, brass, or bronze the corrosion is already there and the surface of the metal has been eaten away. The best you can do is stop the corrosion from future damage, you can not replace, restore, re-anything the metal that is already gone.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in