Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Liechtenstein - 1931-36, Zeppelin issues, 1fr and 2fr, two complete sets of two, nicely centered, full OG, NH, VF, C.v. $725, SBK #F7- 8, 14-15, CHF1,100, Scott #C7-8, C15-16