DDO Listings

DC & Territories Quarter
Doubled Die Book
2009

DDO Listings

Published: January 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
2000s
2009-P DC	2009-D DC	2009-S DC
2009-P PR	2009-D PR	2009-S PR
2009-P GU	2009-D GU	2009-S GU
2009-P AS	2009-D AS	2009-S AS
2009-P VI	2009-D VI	2009-S VI
2009-P NMI	2009-D NMI	2009-S NMI

If you think you have an unlisted doubled die or an unpictured stage of a doubled die,
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.