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 #233 COLOMBIA Air Post 1920 10c Flier in Plane Watching Biplane, unused without gum as issued, full margins all around, v.f., with 1971 Friedl cert., (*) Catalog #C5 Catalog Value $ 3,500 | Price Realized $1,900.00 |
