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<p>[QUOTE=&quot;OcalaFlorida, post: 1973423, member: 71825&quot;]on coppercoins.com</p><p>it is there rpm system</p><p><br /></p><p>DATE-TYPE-NUMBER</p><p><br /></p><p>so it is a 1969-D RPM or Mint Mark&nbsp; number 75 was my guess but I did&#039;t do a overlay to confirm it. A overlay is when you line up the date and mint mark in different layers of a graphic software to see if they match becuase each die would have same location, even though the markers can change per die state.</p><p><br /></p><p><a href="http://coppercoins.com/lincoln/diestate.php?date=1961&amp;die_id=1961d1mm075&amp;die_state=mds" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://coppercoins.com/lincoln/diestate.php?date=1961&amp;die_id=1961d1mm075&amp;die_state=mds" rel="nofollow">http://coppercoins.com/lincoln/diestate.php?date=1961&amp;die_id=1961d1mm075&amp;die_state=mds</a>[/QUOTE]</p><p><br /></p>

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