Heinrich Köhler 383rd Auction – Day 5 Germany 1849–2000 – German Empire, German Colonies with Occupation Issues (G.R.I. and MAFIA), Plebiscite Areas, Germany after WWII – The Erik B. Nagel Collection (part III)

1938, booklets 3 Gulden with HAN 938 and cover black on rose, mint never hinged, one stamp with two small, presumably production-related bends and in perfect condition, very rare, certificate Gruber BPP (2022)