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<p>[QUOTE=&quot;Conder101, post: 674112, member: 66&quot;]There are traces of the pattern on the rims.&nbsp; You have to remember the rims are also the highest part of the coin and are used to help protect the coin from wear by providing the wear surface.&nbsp; As a coin circulated the very highest points of the design AND THE RIM show the first wear.&nbsp; So simple wear could have removed most of the pattern from the surface of the rim.</p><p><br /></p><p>As to the melting of the alloy, the melt can be good, but from my understanding if the ingot cools too slowly you can start getting separation of the metals.</p><p><br /></p><p>And the sheet is created by rolling (usually cold rolling) the ingot not extrusion.[/QUOTE]</p><p><br /></p>

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