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)

1928, booklet 3 Gulden with ONr. 2 and cover black on brown with date stamp "9.2.29", mint never hinged with few, probably production-related shortened teeth and back of cover with tiny corner crease and slightly erased pencil inscription on the front, overall for booklets in perfect condition, corresponding certificate Gruber BPP (2022)