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<p>[QUOTE=&quot;sand, post: 7780676, member: 118540&quot;]Those are interesting questions, regarding the NGC COA idea.</p><p>Perhaps some of those questions, could be resolved, by using the NGC number on the certificate, to lookup photos of the coin, on the NGC web site. The potential buyer can compare the seller photos, with the photos on the NGC web site, to see if the coin has been tooled, or cleaned, or damaged.</p><p>However, it depends on the quality of the NGC web site photos, and the quality of the seller photos.</p><p>For the slabbed coins that I have purchased (and subsequently removed from their slabs), some of the NGC web site photos were pretty good quality, with pretty good resolution, lighting, etc. Other NGC web site photos were not as good quality.</p><p>Here are 2 examples, of the NGC web site photos, at their full resolution, for 2 of my coins. One is an Aegina turtle stater. The other is a Richard The Lionheart silver penny.</p><p>The turtle coin NGC web site photos, are higher quality, than the Richard The Lionheart NGC web site photos, mostly because of the lighting, in my opinion, and because the Richard coin has a darker tone.</p><p>For the turtle coin, could I tell, if the seller (or someone else) had tooled the coin, or cleaned the coin, or damaged the coin, after the COA had been created, by comparing the seller photos, with the NGC web site photos? Perhaps, especially if the seller photos were good quality.</p><p>For the Richard The Lionheart coin, could I tell, if the seller (or someone else) had tooled the coin, or cleaned the coin, or damaged the coin, after the COA had been created, by comparing the seller photos, with the NGC web site photos? Perhaps, but it may be more difficult. Perhaps if I increased the brightness of the Richard coin photos, using an image editor, it would make it easier.</p><p>[ATTACH=full]1334824[/ATTACH] [ATTACH=full]1334825[/ATTACH] [ATTACH=full]1334826[/ATTACH] [ATTACH=full]1334827[/ATTACH][/QUOTE]</p><p><br /></p>

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