Versailles Part IV; The G. Ackerman Collection of Russian Air Post
June 3-4, 2008
| Images | Description | Current Bid |
 | Lot #5044 RUSSIA Air Post 1933 Civil Aviation, 20k ultramarine, imperf. trial color proof, used in 1957 on registered cover, with additional franking, from Riga to Switzerland, v.f., with Speicher arrival pmk, signed Mikulski  Catalog #C47P | Price Realized $950.00 |
