2012 Durland Standard Plate Number Catalogue for United States
As of 2016, this is the most current printing version.
This edition provides the most comprehensive research sorce for plate number informatin on United States postage and revenue stamps, including tax-paid revenue stamps, with listings for overprinted Possessions postage, allied Millitary government stamps and other back of book stamps, dummy and test stamps, MDI "Blue Cover" booklets and partial plate numbers on booklets and coil stamps.
2012 Durland Standard Plate Block Number Catalogue
for United States