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

Liechtenstein

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Start price: $500

Buyer's premium:

1951, Prince Franz Joseph II and Princess Georgina, 2fr violet ultra, perforation 12½ and 3fr red brown, perforation 14¾, complete sheets of 20, full OG, NH, VF, C.v. $3,500, SBK #248A-49B, CHF4,600 as singles, Est. $750-$1,000 , Sc. #259-60a