The Lincoln Cent
RPM Book
 Vol. 2: 1959-1989


Over Mintmarks (OMMs)



Online E-Book Edition

Jan. 2016

by James Wiles, Ph.D.


Repunched Mintmarks

Over Mintmarks

Master Checklists

About the Author

The CONECA die varieties numbering system is proprietary to the
Combined Organizations of Numismatic Error Collectors of America
and is used under license issued by CONECA.

Select the date and mint of your choice.

Denver San Francisco

1980-D&S Debunked  


If you think you have an unlisted OMM or an unpictured stage of an OMM, I would love the opportunity to examine the coin and photograph it for inclusion in the next edition.  Please send an email for instructions on how to have your coin attributed.

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Copyright James Wiles, 2016


1490 Trail View Lane
Frisco, TX  75034-2649