"Poeseldorf", rare blue rural postal service rectangle cancel along with red P. D. cancel on face on 4 Shilling postal stationery watermarked to Brussels used, on the reverse side with blue local post entrance cancel as well the single circle postmark of the Thurn and Taxis post office in Hamburg. the cover is slightly cleaned and dir on the back flap is insignificant pasted up, otherwise perfect with photo certificate Walter Engel BPP. from the Erivan Haub collection