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<p>[QUOTE="Insider, post: 2490197, member: 24314"]Unfortunately, it appears that "homework" has either scared off the OP or she is still studying. Although there is much better information on the Internet, this is as I understand the difference - quick and simple: </p><p><br /></p><p><span style="color: #b300b3">Struck Thru</span>: Something got between the die and the planchet. It is either still pushed "into" the finished coin or has just left an impression "into" the coin's surface. Struck thru's have a different surface inside them than the surface of the coin with borders that are "soft" and mostly blended into the coin. </p><p><br /></p><p><span style="color: #b300b3">Counting Wheel Damage</span>: As on the OP's coin, happened after the coin was made (PMD). This is characterized by a circular groove into the coin's surface near the rims. IF any relief design such as a letter is present, the damage may carve all or part of it out. </p><p><br /></p><p>NOTE: This is not the same as a "<span style="color: #b300b3">Counting Wheel Mark</span>" which results when a coin gets stuck (and "locally" buffed) under the rubber wheel of the machine.[/QUOTE]</p><p><br /></p>
[QUOTE="Insider, post: 2490197, member: 24314"]Unfortunately, it appears that "homework" has either scared off the OP or she is still studying. Although there is much better information on the Internet, this is as I understand the difference - quick and simple: [COLOR=#b300b3]Struck Thru[/COLOR]: Something got between the die and the planchet. It is either still pushed "into" the finished coin or has just left an impression "into" the coin's surface. Struck thru's have a different surface inside them than the surface of the coin with borders that are "soft" and mostly blended into the coin. [COLOR=#b300b3]Counting Wheel Damage[/COLOR]: As on the OP's coin, happened after the coin was made (PMD). This is characterized by a circular groove into the coin's surface near the rims. IF any relief design such as a letter is present, the damage may carve all or part of it out. NOTE: This is not the same as a "[COLOR=#b300b3]Counting Wheel Mark[/COLOR]" which results when a coin gets stuck (and "locally" buffed) under the rubber wheel of the machine.[/QUOTE]
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