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Unbending hammered medieval silver coin (Gros Tournois)
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<p>[QUOTE="Roerbakmix, post: 3646525, member: 100731"]Part of the fun I get with collecting ancient and medieval coinage is attempting to clean encrusted coins, or restore damaged coins. There is a certain learning curve to this, and deciding whether or not a coin actually improves from it beforehand is difficult and, in my opinion, also differs per individual. </p><p><br /></p><p>This project was something I never tried before: unbending a hammered medieval silver coin. This coin has been posted at CoinTalk before (<a href="https://www.cointalk.com/threads/a-fun-lot-of-silver-roman-and-medieval-coinage.343992/" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/a-fun-lot-of-silver-roman-and-medieval-coinage.343992/">https://www.cointalk.com/threads/a-fun-lot-of-silver-roman-and-medieval-coinage.343992/</a>). In my opinion, the coin has three issues:</p><ol> <li>It's bent quite badly </li> <li>There is a deep scratch, probably caused by digging the coin (and thus causing problem 1)</li> <li>The patina is uneven and 'spotty'</li> </ol><p>So, first a detail image of problem 1:</p><p>[ATTACH=full]979265[/ATTACH]</p><p><br /></p><p>A high-definition image of the obv/rev (note the deep scratch and the uneven patina)</p><p><img src="https://www.cointalk.com/attachments/upload_2019-8-7_15-30-17-png.977223/" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Unbending silver hammered coins should be done with caution. I followed this approach <a href="https://www.metaldetectingworld.com/cleaning_coin_p24_bent.shtml" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.metaldetectingworld.com/cleaning_coin_p24_bent.shtml" rel="nofollow">https://www.metaldetectingworld.com/cleaning_coin_p24_bent.shtml</a>. </p><p><br /></p><p>After these steps, I ended op with a (almost) perfectly flat coin. </p><p>[ATTACH=full]979267[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Roerbakmix, post: 3646525, member: 100731"]Part of the fun I get with collecting ancient and medieval coinage is attempting to clean encrusted coins, or restore damaged coins. There is a certain learning curve to this, and deciding whether or not a coin actually improves from it beforehand is difficult and, in my opinion, also differs per individual. This project was something I never tried before: unbending a hammered medieval silver coin. This coin has been posted at CoinTalk before ([URL]https://www.cointalk.com/threads/a-fun-lot-of-silver-roman-and-medieval-coinage.343992/[/URL]). In my opinion, the coin has three issues: [LIST=1] [*]It's bent quite badly [*]There is a deep scratch, probably caused by digging the coin (and thus causing problem 1) [*]The patina is uneven and 'spotty' [/LIST] So, first a detail image of problem 1: [ATTACH=full]979265[/ATTACH] A high-definition image of the obv/rev (note the deep scratch and the uneven patina) [IMG]https://www.cointalk.com/attachments/upload_2019-8-7_15-30-17-png.977223/[/IMG] Unbending silver hammered coins should be done with caution. I followed this approach [URL]https://www.metaldetectingworld.com/cleaning_coin_p24_bent.shtml[/URL]. After these steps, I ended op with a (almost) perfectly flat coin. [ATTACH=full]979267[/ATTACH][/QUOTE]
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Unbending hammered medieval silver coin (Gros Tournois)
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