Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1162:
1924-25, definitive issue, soldier 3r brown and green, type I, typo printing on paper without watermark, bottom sheet margin imperforated single, marginal fold far away from the stamp, full OG, NH, VF and very rare, especially in never hinged condition, N. Mandrovski certificate, Est. $5,000-$6,000, Sc. #292 imp
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