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<p>[QUOTE=&quot;mlov43, post: 6823483, member: 16729&quot;]Just wondering:&nbsp; Is there a strike depth measurement that measures the depth of a strike below the rim, or a relief measurement for the legends and devices of medals and coins?</p><p><br /></p><p>I only ask since I came upon this text in an historical document:</p><p>&quot;...this commemorative medal had a depth of <b>1000</b>...&quot;</p><p>and</p><p>&quot;...in 1985, [the mint] produced high-depth, larger medals with a diameter of 65mm and a depth of <b>5100</b>.</p><p><br /></p><p>After each number above there is a symbol like a backwards &quot;u&quot;.&nbsp; Here are the actual numerals:</p><p>[ATTACH=full]1272405[/ATTACH]&nbsp; [ATTACH=full]1272407[/ATTACH]</p><p><br /></p><p>Any idea what this measurement is?&nbsp; I think μ is &quot;mu?&quot;[/QUOTE]</p><p><br /></p>

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