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1990 Lincoln cent .. D over S OMM?
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<p>[QUOTE="Pickin and Grinin, post: 2669916, member: 73995"]<img src="http://doubleddie.com/img/content/58243_201979.gif" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Over the years mint mark varieties have been found where mint marks for two different mints were applied to the same working die. For example, in 1944 two different Lincoln cent working dies first received an impression from an S mint mark punch, and then had a D mint mark punched over the S creating two different "D over S" or "D/S" mint mark varieties. In 1946 a Lincoln cent working die first received an impression of a D mint mark and then had an S mint mark punched directly over the D creating an "S over D" or "S/D" mint mark variety. Varieties such as these are known as Over Mint Mark (<b>OMM</b>) varieties.</p><p><br /></p><p style="text-align: left"><img src="http://doubleddie.com/mediac/450_0/media/1944-D$201c$20WOMM-001$20$281$29$20150$20dpi$20$28D$20over$20S$29.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><br /></p><p><i>Here we see a 1944-D Lincoln cent with a very nice OMM variety. It has a D punched over an S. It is listed as 1944-D 1¢ WOMM-001.</i></p><p><br /></p><p style="text-align: left"><img src="http://doubleddie.com/mediac/450_0/media/1946-S$201c$20WOMM-001$20$281$29$20150$20dpi$20$28S$20over$20D$29.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><br /></p><p><i>This 1946-S Lincoln cent features an OMM variety that has an S punched over a D. It is listed as 1946-S 1¢ WOMM-001.</i></p><p><br /></p><p style="text-align: left"><img src="http://doubleddie.com/mediac/450_0/media/1950-D$2025c$20WOMM-001$20$281$29$20150$20dpi$20$28D$20over$20S$29.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><br /></p><p><i>Here we see a 1950-D Washington quarter OMM variety that has a very nice D over an S. It is listed as 1950-D 25¢ WOMM-001.</i></p><p><br /></p><p>There is a distinction among the die variety attributers for mint mark varieties bearing two different mint marks when those mint mark punches are totally separated. In the Wexler Files, the Crawford Files, and the Potter Files, the mint mark varieties with two different totally separated mint mark punches are listed as Dual Mint Mark (<b>DMM</b>) varieties since the mint mark punches are not actually "over" each other as the term "Over Mint Mark" suggests. CONECA is the only major die variety lister that does not make the distinction between OMMs and DMMs and classifies all varieties with two different mint marks as OMM varieties.</p><p><br /></p><p style="text-align: left"><img src="http://doubleddie.com/mediac/450_0/media/1956-D$201c$20WDMM-001$20$281$29$20400$20dpi$20$28D$20and$20S$29.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><br /></p><p><i>1956 was a great year for mint mark varieties. This 1956-D Lincoln cent shows an S mint mark punched between the lower 1 and 9 of the date. All of the major die variety attributers except for CONECA have listed this one as a Dual Mint Mark (DMM) variety. CONECA's attributer does not believe that the image between the lower 1 and 9 represents an S mint mark punch. You be the judge. It is listed in the Wexler Files as 1956-D 1¢ WDMM-001.</i></p><p><br /></p><p>The RPM and OMM varieties are two die variety types that the Mint has successfully eliminated from modern day coinage. The first changes to the procedure of applying the mint marks to coinage came in the mid-1980s when the mint mark started to appear to the original model design for commemorative coins and regular proof coins. In 1990 and 1991 the Mint began applying the mint mark for circulating coins to the master die. After 1994 the mint mark was applied directly to the original model for all U.S. coins thus ending the RPM and OMM era.</p><p><br /></p><p>RPM collecting has proven quite popular with die variety collectors as they are not that difficult to find with a little bit of searching. Collections can be assembled at a modest cost with most varieties going for a few dollars. A pretty good rule of thumb for value is that as the separation between the mint mark punches increases, the value increases. OMM varieties have always proven to be more valuable than the RPM varieties as there are far fewer of them.</p><p><br /></p><p>This is from</p><p><a href="http://doubleddie.com/58243.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://doubleddie.com/58243.html" rel="nofollow">http://doubleddie.com/58243.html</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Pickin and Grinin, post: 2669916, member: 73995"][IMG]http://doubleddie.com/img/content/58243_201979.gif[/IMG] Over the years mint mark varieties have been found where mint marks for two different mints were applied to the same working die. For example, in 1944 two different Lincoln cent working dies first received an impression from an S mint mark punch, and then had a D mint mark punched over the S creating two different "D over S" or "D/S" mint mark varieties. In 1946 a Lincoln cent working die first received an impression of a D mint mark and then had an S mint mark punched directly over the D creating an "S over D" or "S/D" mint mark variety. Varieties such as these are known as Over Mint Mark ([B]OMM[/B]) varieties. [LEFT][IMG]http://doubleddie.com/mediac/450_0/media/1944-D$201c$20WOMM-001$20$281$29$20150$20dpi$20$28D$20over$20S$29.jpg[/IMG][/LEFT] [I]Here we see a 1944-D Lincoln cent with a very nice OMM variety. It has a D punched over an S. It is listed as 1944-D 1¢ WOMM-001.[/I] [LEFT][IMG]http://doubleddie.com/mediac/450_0/media/1946-S$201c$20WOMM-001$20$281$29$20150$20dpi$20$28S$20over$20D$29.jpg[/IMG][/LEFT] [I]This 1946-S Lincoln cent features an OMM variety that has an S punched over a D. It is listed as 1946-S 1¢ WOMM-001.[/I] [LEFT][IMG]http://doubleddie.com/mediac/450_0/media/1950-D$2025c$20WOMM-001$20$281$29$20150$20dpi$20$28D$20over$20S$29.jpg[/IMG][/LEFT] [I]Here we see a 1950-D Washington quarter OMM variety that has a very nice D over an S. It is listed as 1950-D 25¢ WOMM-001.[/I] There is a distinction among the die variety attributers for mint mark varieties bearing two different mint marks when those mint mark punches are totally separated. In the Wexler Files, the Crawford Files, and the Potter Files, the mint mark varieties with two different totally separated mint mark punches are listed as Dual Mint Mark ([B]DMM[/B]) varieties since the mint mark punches are not actually "over" each other as the term "Over Mint Mark" suggests. CONECA is the only major die variety lister that does not make the distinction between OMMs and DMMs and classifies all varieties with two different mint marks as OMM varieties. [LEFT][IMG]http://doubleddie.com/mediac/450_0/media/1956-D$201c$20WDMM-001$20$281$29$20400$20dpi$20$28D$20and$20S$29.jpg[/IMG][/LEFT] [I]1956 was a great year for mint mark varieties. This 1956-D Lincoln cent shows an S mint mark punched between the lower 1 and 9 of the date. All of the major die variety attributers except for CONECA have listed this one as a Dual Mint Mark (DMM) variety. CONECA's attributer does not believe that the image between the lower 1 and 9 represents an S mint mark punch. You be the judge. It is listed in the Wexler Files as 1956-D 1¢ WDMM-001.[/I] The RPM and OMM varieties are two die variety types that the Mint has successfully eliminated from modern day coinage. The first changes to the procedure of applying the mint marks to coinage came in the mid-1980s when the mint mark started to appear to the original model design for commemorative coins and regular proof coins. In 1990 and 1991 the Mint began applying the mint mark for circulating coins to the master die. After 1994 the mint mark was applied directly to the original model for all U.S. coins thus ending the RPM and OMM era. RPM collecting has proven quite popular with die variety collectors as they are not that difficult to find with a little bit of searching. Collections can be assembled at a modest cost with most varieties going for a few dollars. A pretty good rule of thumb for value is that as the separation between the mint mark punches increases, the value increases. OMM varieties have always proven to be more valuable than the RPM varieties as there are far fewer of them. This is from [url]http://doubleddie.com/58243.html[/url][/QUOTE]
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1990 Lincoln cent .. D over S OMM?
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