Rare Stamps & Postal History of the World
January 14-15, 2020
| Images | Description | Current Bid |
 | Lot #997 RUSSIA Air Post 1931 50k violet brown, imperforate trial color proof on gummed stamp paper, large margins all around, l.h., v.f., signed Kessler. A significant Soviet and Air Post rarity, only 24 (!) recorded, this one being position 18 (indicated in pencil), with "D" Postal Museum handstamp on back, 1997 Buchsbayew certificate (Sanabria 40) (Liapine 334P1) * Catalog #C18var | Unsold |
