Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Russian Air Post Stamps

The auction will start in __ days and __ hours

Start price: $75

Buyer's premium:

1931, Airships, 10k-1r, imperforated complete set of five, nice margins all around, full OG, NH (20k is VLH), VF, G. Biondi certificate, C.v. $350, Est. $100-$150 , Sc. #C15-19