Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2

Liechtenstein

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Start price: $75

Buyer's premium:

1938, Josef Rhenberger, 50(rp) indigo, souvenir sheet of four, five examples, full OG, NH, VF, C.v. $350, SBK #141, C.v. CHF500, Est. $100-$150 , Sc. #151