Heinrich Köhler 383rd Auction – Day 6 Collections and Lots: General collections All World / Europe / Overseas, Airmail and Zeppelin, Thematic collections, Picture Postcards, Literature, Coins

1923, interesting mint never hinged/unused and used collection, specialising Mi.-Nr .169-176, with better colours, plate flaws, overprint varieties, stamps with margins and serial numbers, multiples, etc., plus 9 letters/cards, in very good condition, ex Nagel