Bidspirit auction | Liechtenstein - Collections

Liechtenstein - Collections - Group of Three Postal History Items: 1930-33, First Flight registered cover on line Vaduz-St. Gallen, franked by the first air post issue and two official covers franked by 30rp perf 10½ and 50rp perf 11½x10½ respectively, F/VF, SBK C.v. CHF630, Est. $150-$200, Sc. #C1-6, O4, O6