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<p>[QUOTE=&quot;rmpsrpms, post: 3507543, member: 31773&quot;]I hate it when folks try to go back on what they say. Let me remind you what you said in your first post on the subject of metal flow: </p><p><br /></p><p><br /></p><p><br /></p><p>And then you doubled-down in your second post:</p><p><br /></p><p><br /></p><p><br /></p><p>It is these incorrect statements that I have issue with. Simply admit they are wrong and we&#039;ll be on the same page.</p><p><br /></p><p>And now you have made the statement that dies are completely flat, which is of course completely wrong. There is a significant amount of curvature to the fields in some US coins such as Wheat Cents, Mercury Dimes, Buffalo Nickels, etc. Some modern coins are indeed very flat, so perhaps that&#039;s what you&#039;re thinking of? The example I like to give is the Lincoln Wheat Cent, which has a nice tub-shaped field, with lowest points behind the neck and in front of the throat. These low points are there to ensure better filling of the bust, and are very high wear areas for die erosion. They also are the place where die clashes occur since they are first to come in contact with the reverse die, which BTW has a much flatter field![/QUOTE]</p><p><br /></p>

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