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

2 Groschen blue in block of four, including right upper stamp with plate flaw "bright spot under TS in DEUTSCHE" (field 74) and left lower stamp with plate flaw "notch in inner circle under OS in POST", mint never hinged, in fine condition, unsigned with findings Hennies BPP (1984)