Schwaighofer, Oberregierungsrat Prof. Dr. Ing. H.: Rohrpostanlagen ... Condition:Used - Good including many transit letters sent

including many transit letters sent via Hamburg

Posta Romana in Basarabia (1918-1940

postage reduction and postage aversion

Sonderheft Feldpostnummern 2000-3113

The Bond Street Stamp Auctions of 1928/1929

Schwaighofer, Oberregierungsrat Prof. Dr. Ing. H.: Rohrpostanlagen ... Condition:Used - Good including many transit letters sentSchwaighofer, Senior Government Councillor Prof. Dr. Ing. H.: Pneumatic Post Systems, Part I., Pneumatic Post Technical Innovations in the Field of Pneumatic Long Distance Systems, Post and Telegraphy in Science and Practice, Volume 62, 1930, 216 pages + illustrations, slight signs of wear, still in good condition, rarely offered, first copy we can offer #70933