Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1097:
1906, 5r and 10r, complete set of two printed on vertically laid paper, each one with sheet margin, full OG, NH, VF, C.v. $1,210, Est. $300-$400 , Sc. #71-72
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