Kalckhoff, Dr. Franz: Deutsches Reich, Privatganzsachen der Grosch ... AH-Christies/Lowe Federal Ministry for Post and

Federal Ministry for Post and Telecommunications

Berlin-Salon for Classic Berlin Postal History

The stamps of North Schleswig

The reconstruction of the post office in Nuremberg after the collapse in 1945

Kalckhoff, Dr. Franz: Deutsches Reich, Privatganzsachen der Grosch ... AH-Christies/Lowe Federal Ministry for Post andKalckhoff, Dr. Franz: German Empire, private postal stationery of the Groschen and Kreuzer currency, Berlin 1926, special print from: 'Festschrift zu Feier des 25 Jubilumseigen des Berliner Ganzsachen Sammler Vereins', with dedication for K. Zirkenbach on cover, 13 pages, cover slightly torn in some places, rare #52984