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<p>[QUOTE=&quot;ronnie58, post: 2967433, member: 90698&quot;]Key info surfaced about the edge distinction, from Conder101 in the other 3CN thread:</p><p>&nbsp;&nbsp; &quot;the proofs were struck slower and at higher pressure. That allowed the rims to fill completely and form the squared off edge. The higher speed lower pressure of the production striking results in less fill and the edge to rim transition being rounded over&quot;</p><p>&nbsp;&nbsp; This would indicate that mint state examples in ~AU-50 and up should have rounded edges, but circulated proofs of the same grade should still have a better squared edge.&nbsp; Best thing to do is keep looking at a lot of examples of both types, with both accurate and questionable attributions.[/QUOTE]</p><p><br /></p>

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