Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1156:
1924, definitive issue, soldier 40k slate, litho printing, right sheet margin imperforated single with design printed on both sides (on gum – upside down), in addition the similar horizontal imperforated pair (cut through design at bottom) with invalidating perforation, all with full OG, NH, VF, a single with Raritan Stamps guarantee, Est. $1,500-$2,000, Sc. #264 imp var
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