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<p>[QUOTE=&quot;Tamaracian, post: 2042322, member: 23122&quot;]Hello Chris,</p><p>&nbsp;</p><p>Thanks for your reply.&nbsp; I am familiar with the stages of coin prep.&nbsp; I used the term Planchet because I believe more people are probably familiar with it than the term Blank; and that is why I stated &quot;before it is upset&quot;.</p><p>&nbsp;</p><p>I&#039;m looking for this info because I have an unusual 1953-P Jefferson Nickel; 3 Planchets are all bonded in a vertical stack, are concentric, and the edges of all 3 are delineated around most of the circumference of the coin.&nbsp; The coin has full details (maybe AU55), very high raised rims, is thicker, heavier, and about the same diameter as a regular Jefferson.</p><p>&nbsp;</p><p>I wanted to do some more research on what the normal Planchet thickness should be so that I could determine if it was possible for 3 normal-dimension Planchets that were struck and bonded together to weigh and measure what I am finding with this coin.&nbsp; Depending upon what I find, I may send it to one of the Error Attribution Experts for authentication--and if authenticated--to a TPG for encapsulation.[/QUOTE]</p><p><br /></p>

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