"Pöseldorf", rare blue rural post boxed handstamp together with red P.D. handstamp on front of watermarked 4 Schilling postal stationery sent to Brussels, blue town post arrival handstamp and single-circle (K1) handstamp of the Thurn and Taxis post office in Hamburg on reverse. Envelope somewhat cleaned and rear flap slightly stuck down, otherwise sound, with photo certificate Walter Engel BPP. From the Erivan Haub collection