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<p>[QUOTE=&quot;SensibleSal66, post: 7502289, member: 115232&quot;]If everyone would slow down and read. It&#039;s all here in English and in Black and White : <a href="http://www.doubleddie.com/144843.html#:~:text=Die%20deterioration%20doubling%20results%20when%20the%20dies%20used,the%20design%20that%20we%20see%20on%20the%20coins." target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.doubleddie.com/144843.html#:~:text=Die%20deterioration%20doubling%20results%20when%20the%20dies%20used,the%20design%20that%20we%20see%20on%20the%20coins." rel="nofollow">Wexler&#039;s Coins and Die Varieties (doubleddie.com)</a></p><p><br /></p><p><br /></p><p><br /></p><p><img src="http://www.doubleddie.com/img/content/144843_144847.gif" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Die deterioration doubling is another form of common, worthless doubling found on U.S. coinage.&nbsp; Like mechanical doubling, it is frequently mistaken for the doubling that is seen on genuine doubled dies.&nbsp; Unlike mechanical doubling which is formed while the coin is being struck, die deterioration doubling is actually on the die itself.&nbsp; That is the one thing that it does have in common with genuine doubled die doubling.&nbsp; Die deterioration doubling results when the dies used to strike coins are kept in use for too long a period of time.</p><p><br /></p><p>As a die strikes coins, the impact of the die on the planchet forces the planchet metal into the cavities of the die to form the design that we see on the coins.&nbsp; Gradually, over a period of time, the flowing of the planchet metal into the cavities of the die will cause the surface of the die to erode much like a constant flow of water over an area of land will eventually cause the land to erode.</p><p><br /></p><p>Since the metal is flowing into the cavities of the die which form the design elements on the coin such as the letters or the bust, that is where the greatest stress and thus the greatest erosion will occur.&nbsp; This erosion of the die&#039;s surface will begin to form depressed areas around the letters and other design elements.&nbsp; These depressed or &quot;incuse&quot; areas on the die will form raised images on the struck coins.&nbsp; Since these additional raised areas are right around the letters and other design elements, they give the appearance of doubling to those design elements.[/QUOTE]</p><p><br /></p>

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