U.S. & Worldwide Stamps & Postal History
September 13-14, 2017
| Images | Description | Current Bid |
 | Lot #48 United States - Air Post 1933 50c Century of Progress, four covers franked with a total of 17 stamps, including two blocks of four, flown Oct.2 and Oct. 4 from New York to Seville (2) and Friedrichshafen, fine-v.f.  Catalog #C18 | Price Realized $550.00 |
