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<p>[QUOTE=&quot;Hobo, post: 1122186, member: 11521&quot;]The &quot;debth&quot; (sic) that you are referring to is known as &#039;relief&#039;. One reason modern clad US coins have low relief is cupro-nickel is much harder than 90% silver which means that a cupro-nickel clad coin is harder to strike up than a 90% silver coin. </p><p>&nbsp;</p><p>Let&#039;s assume you could get a pair of dies for a Walker Half and put them in a coin press set at the striking pressure used for Walker Halves. What do you think would happen if you struck two planchets with the dies - one 90% silver and the other cupro-nickel clad? The 90% silver coin would be well-struck and the cupro-nickel coin would be weakly struck because there was not enough metal flow up into the recesses of the die (because cupro-nickel is so much harder than 90% silver).[/QUOTE]</p><p><br /></p>

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