Bidspirit auction | Liechtenstein - Air Post stamps

Liechtenstein - Air Post stamps - 1931, Zeppelin over Naafkopf Mountains, 1fr olive black and 2fr indigo, complete set of two, perfect centering and fresh colors, full OG, NH, VF, C.v. $565, SBK #F7-8, C.v. CHF800, Est. $160-$200, Sc. #C7-8