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<p>[QUOTE=&quot;Roerbakmix, post: 4798175, member: 100731&quot;]Thanks all for the compliments. Feel free to post coins with deposits that you consider to clean, if you want my advice (or someone else). </p><p><br /></p><p>Another recent cleaning project, which was relatively easy:</p><p>[ATTACH=full]1165128[/ATTACH]</p><p>Green deposits, mainly on the reverse (under the tail), due to PVC degradation. Easily removed with white spirit (or, alternatively, use acetone). </p><p>[ATTACH=full]1165130[/ATTACH]</p><p>The coin seems more shiny, which isn&#039;t the case, but due to bad lighting. </p><p><br /></p><p>Also, a while ago, I restored this gros tournois:</p><p>[ATTACH=full]1165131[/ATTACH]</p><p>Apart from spotty horn-silver patina, the coin was bent on two axes:</p><p>[ATTACH=full]1165132[/ATTACH]</p><p>I first removed the patina, then heated the coin to c. 800 C (!), applied slight pressure, reheated, applied pressure, etc. until flat:</p><p>[ATTACH=full]1165133[/ATTACH][/QUOTE]</p><p><br /></p>

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