Bidspirit auction | Liechtenstein

Liechtenstein - 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, Scott #259-6a