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<p>[QUOTE=&quot;Kentucky, post: 24810140, member: 33176&quot;]MD is caused by the movement of the die during a strike, so most (if not all) of the coins coming out would have some degree of this kind of &quot;doubling&quot;, however each is probably unique, so it is a mechanical failure that caused it.&nbsp; The deterioration of the die causes the edges of the recesses to crumble or wear until it looks like doubling of the design.[/QUOTE]</p><p><br /></p>

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