Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1175:
1929-31, the third definitive issue, 1k-80k and 1r-3r, complete set of 17 in blocks of four, including 1r deep blue on watermarked Lozenges paper, 30k with some gum adhesion, generally nice quality unit, full OG, NH (two stamps of 30k and 50k blocks are hinged), mainly VF, Est. $400-$600, Sc. #413-26, 436-37
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