Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Soviet Union

The auction will start in __ days and __ hours

Start price: $120

Buyer's premium:

1931, Airship Constructions, 10k-1r, complete set of five, all with perforation L12½, full OG, NH, mainly VF, C.v. $300, Est. $200-$240 , Sc. #C20-24 var