U.S. and Worldwide Stamps & Postal History; July 15, 2015: The Confino Collection of United States
July 8-9, 2015
| Images | Description | Current Bid |
 | Lot #1319 RUSSIA Air Post 1933 Balloon, 5k ultramarine, horizontal pair, imperf. between, cancelled "Leningrad 1933", v.f., extremely rare, with 1988 Mikulski cert. (Zagorsky 341Pb) O Catalog #C37var | Price Realized $2,100.00 |
