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<p>[QUOTE="Ed Snible, post: 3867909, member: 82322"]That particular serial number cannot be found. However, it is typical that NGC slabs don't include the weight or diameter.</p><p><br /></p><p>You should be able to determine the diameter by taking the ratio of width of the coin in pixels vs the width of the slab in pixels, as compared to the width of a slab.</p><p><br /></p><p>You can pay NGC $15 to add that information. The service is called "Expanded Grade Description". I don't know anyone who has done it. <a href="https://www.ngccoin.com/submit/services-fees/ngc-ancients/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.ngccoin.com/submit/services-fees/ngc-ancients/" rel="nofollow">https://www.ngccoin.com/submit/services-fees/ngc-ancients/</a></p><p><br /></p><p>My hope is that in the future the slab-crackers will accurately weigh the slabs without coins. Collectors should be able to create a database allowing us to look up the weight of the plastic based on the diameter of the slab cradle. It should also be possible to figure out the weight of the plastic by weighing the slabs with coins still in them and subtracting the weight of the coin, if known. This would be a good project for someone with a lot of slabs and time -- two things I lack in quantity.[/QUOTE]</p><p><br /></p>
[QUOTE="Ed Snible, post: 3867909, member: 82322"]That particular serial number cannot be found. However, it is typical that NGC slabs don't include the weight or diameter. You should be able to determine the diameter by taking the ratio of width of the coin in pixels vs the width of the slab in pixels, as compared to the width of a slab. You can pay NGC $15 to add that information. The service is called "Expanded Grade Description". I don't know anyone who has done it. [URL]https://www.ngccoin.com/submit/services-fees/ngc-ancients/[/URL] My hope is that in the future the slab-crackers will accurately weigh the slabs without coins. Collectors should be able to create a database allowing us to look up the weight of the plastic based on the diameter of the slab cradle. It should also be possible to figure out the weight of the plastic by weighing the slabs with coins still in them and subtracting the weight of the coin, if known. This would be a good project for someone with a lot of slabs and time -- two things I lack in quantity.[/QUOTE]
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