Image #1
WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
Soviet Union
Lot #
172 | 
| Scott # C10-11
| 1927 (September 19), the Hague Air Post Conference, 10k and 15k x3, used on registered air mail cover from Moscow to Paris, all appropriate markings and arrival "21-9-27" ds, mostly VF, Est. $100-$150 . |