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<p>[QUOTE=&quot;Conder101, post: 1304161, member: 66&quot;]Adjustment marks on the planchet before striking would be MORE substantial on the devices than in the fields.&nbsp; The fields of the dies are the highest parts and they make contact with the marks and compress/flatten them before the metal begins to fill the devices.&nbsp; The marks in the device areas are not flattened until the metal fills the devices completely.&nbsp; If the strike is a little soft the marks will remain on the devices and will be strongest in those areas of the highest relief.</p><p><br /></p><p>I don&#039;t think Rogers book would help on this subject because it doesn&#039;t deal with the proper time period.&nbsp; During the era of his book planchets were adjusted by filing the edge.&nbsp; Struck coins were weighed and sorted into light, normal, and heavy coins for proper mixing in bags to achieve bag weight tolerance but they were not adjusted after striking.&nbsp; The late 18th and very early 19th century coins MAY have also been adjusted after striking, but such adjustments would be indistinguishable from post mint damage.[/QUOTE]</p><p><br /></p>

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