RPM Listings

The Jefferson Nickel
RPM Book

OMM Listings

Published: Jan. 2016

by James Wiles, Ph.D.

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.

Philadelphia	Denver	San Francisco
1940s
	1949-D/S
1950s
		1954-S/D
	1955-D/S

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.