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

Liechtenstein - Semi - Postal issues

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Start price: $75

Buyer's premium:

1936, 2nd Vaduz Philatelic Exhibition, imperforated souvenir sheet of 20(rp) red x2 and 30rp dark ultra x2, five pieces, post office fresh quality, full OG, NH, VF, C.v. $300, SBK W14, C.v. CHF500, Est. $120-$150 , Sc. #B14