Explore Books on
plate numbers (postage stamps)

Druckdaten und andere Bogenkennzeichnungen der Postwertzeichen des Saargebietes und Saarlandes

By Schneider, Heinrich

Plaatnummerkatalogus van België =

By E. Deneumostier

B.I.A. plate number checklist, plates 1-20,000

By

Bureau Issues Association plate number checklist, plates 20000-41303

By John L. Larson

Napp's numbers

By Joseph M. Napp