Clarke, T., A Catalog Of Philadelphia Postmarks, 18th Century To T ... AUT-Mahr aber auch WK II und

aber auch WK II und davor

Sellschopp (Rudolf ) Hamburg-Spezialsammlung

Gebrauchsspuren

Das Gesetz über das Postwesen des Deutschen Reiches vom 28

Abschnitt IX

Clarke, T., A Catalog Of Philadelphia Postmarks, 18th Century To T ... AUT-Mahr aber auch WK II undClarke, T., A Catalog Of Philadelphia Postmarks, 18th Century To The Present, Part 1, Domestic Origin Markings, manuscript, handstamp, and machine, 1989, ca. 100 S., Part II, Additional Markings incl. B O B origin cancels (ship, foreign, air mail and railroads), received and transit backstamps, and registry postmarks, 1990, ca. 100 S., Part III, Back of the Book Origin Cancels, cont'd, and Auxiliary Markings, incl. Free, Paid, Locals, Meters,