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<p>[QUOTE=&quot;Marshall, post: 7529775, member: 21705&quot;]I completely got away from moderns because of the numerous causes of doubling, I can explain the various causes, but recognizing which was which just seems out of my grasp. This is particularly true with minor doubling or a shift of less than the width of the stoke of the letters.</p><p><br /></p><p>Die doubling comes from the making of a die. </p><p><br /></p><p>Mechanical Doubling comes from the striking of the planchet. </p><p><br /></p><p>Die Deterioration Doubling comes from the Deterioration of each die before it is taken out of use. </p><p><br /></p><p>A fourth type is photographic doubling which comes from the process of photographing the coin, It&#039;s not actually doubling on the coin at all. It is sometimes caused by a surface between the lense and the surface of the coin like with Unc sets and Proof sets photographed through the cellophane.[/QUOTE]</p><p><br /></p>

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