Heinrich Köhler 383rd Auction – Day 3 Single Lots: German Empire 1872 – 1945 German Reichspost – Shield Issues – The Michael Rehme Collection (part II)

"COBLENZ F. N3 7.11.71" quite clear in purple on North German postal stationery envelope 1 Groschen with DKr. "COBLENZ 7.11.71" as registered covers with "2(1)" (Groschen) and "Recomandirt" to Frankfurt with arrival postmark in perfect condition. Decorative registered covers from the Reichspost precursor period and extremely scarce, no other part-bar franking with this Franco cancellation has been registered to date