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Another NEWP, and medal/exonumia guru advice (conservation question)
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<p>[QUOTE="Stork, post: 3610364, member: 71642"]Indeed. I finally made it to the basement coin lair last night and will post a few photos when I get a chance to crop/resize. </p><p><br /></p><p>Step one: distilled water. Soaked for a bit, agitated for a bit. Manually removed a bit of 'gunk' with the help of a local thorn bush. Made it obvious a lot of what I was looking at really was just crud as discussed above. Some of the crevices had a waxy-like substance (going by using my camera set up and computer screen as my visual aid). Good thing I'm used to looking at a screen in one direction while using instruments in another without watching my hands <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />.</p><p><br /></p><p>Interesting observation when removing the medal from the water though was the way the water 'beaded' and appeared hydrophilic like my car after the ceramic coat was applied. It just 'felt' off too.</p><p><br /></p><p>So, I bit the bullet and moved on to Step Two--the xylene. What an interesting aroma (yuck). The rest of the crud just melted away with only a little assistance from my favorite thorn to loosen things up and a cotton swab.</p><p><br /></p><p>Step three: I will not disclose whether I used a final distilled water rinse or not <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />. </p><p><br /></p><p>I must confess I thought the color had 'gone off' when it was sitting in the xylene, but once removed from the bowl and evaporated the color was not different. It was probably a trick of my lights and using the laptop to visualize.[/QUOTE]</p><p><br /></p>
[QUOTE="Stork, post: 3610364, member: 71642"]Indeed. I finally made it to the basement coin lair last night and will post a few photos when I get a chance to crop/resize. Step one: distilled water. Soaked for a bit, agitated for a bit. Manually removed a bit of 'gunk' with the help of a local thorn bush. Made it obvious a lot of what I was looking at really was just crud as discussed above. Some of the crevices had a waxy-like substance (going by using my camera set up and computer screen as my visual aid). Good thing I'm used to looking at a screen in one direction while using instruments in another without watching my hands :D. Interesting observation when removing the medal from the water though was the way the water 'beaded' and appeared hydrophilic like my car after the ceramic coat was applied. It just 'felt' off too. So, I bit the bullet and moved on to Step Two--the xylene. What an interesting aroma (yuck). The rest of the crud just melted away with only a little assistance from my favorite thorn to loosen things up and a cotton swab. Step three: I will not disclose whether I used a final distilled water rinse or not :D. I must confess I thought the color had 'gone off' when it was sitting in the xylene, but once removed from the bowl and evaporated the color was not different. It was probably a trick of my lights and using the laptop to visualize.[/QUOTE]
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Another NEWP, and medal/exonumia guru advice (conservation question)
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