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<p>[QUOTE=&quot;Jral1, post: 1796087, member: 32252&quot;]yeah thats why there pretty common but that coupled with thermaldynamic effects might explain why it might happen after alot of extreme ware(as they say)/friction/heat build up towards the end of a long run. Most coins dont show this but alot do have similar effects wich could mean thermaldynamic effects do play a role in this feature becuase it doesnt always mimick the device of the obverse sometimes its just a slight depression near the edge of the coin wich makes me this thermaldynamics has a role in this and i bet if you ask a mint worker they might tell you some coins do come out of the press pretty hot.[/QUOTE]</p><p><br /></p>

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