Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1457:
NEAT COLLECTION ON STOCKPAGES: 1918, 56 mint or used (13) stamps, representing 54 values of the type 1 and 2 – of type 2, among better of type 1 violet overprint on 7k and of type 2 black overprint on perforated 3.50r, fresh quality material, full OG or used, F/VF, ex- Dr. Seichter and others, C.v. $750, Est. $250-$300, Bulat #943/ 1055
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