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<p>[QUOTE=&quot;mikediamond, post: 486970, member: 1859&quot;]Photos of the slots in the upsetting mill show them to be V-shaped in vertical cross section.&nbsp; The bottom of the V is truncated (flat).</p><p><br /></p><p>Now it&#039;s clear from examining a large sample of planchets that the shape of the bottom of the slot varies slightly from year to year, mill to mill, and perhaps, slot to slot.&nbsp; The edge of a dime planchet varies from nearly flat (with only a slight bevel extending out from the highest point on the proto-rim) to extremely beveled.&nbsp; Slot shape also appears to differ from denomination to denomination.&nbsp; Dimes show the most bevel overall; nickels show the least, with many showing no bevel whatsoever.[/QUOTE]</p><p><br /></p>

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