U.S. & Worldwide; The Alexander Collection of Russia
September 14-16, 2010
| Images | Description | Current Bid |
 | Lot #112 UNITED STATES Air Post 1930 Zeppelin set of three blocks of four, used on separate round-flight covers from New York, April 30 to Friedrichshafen and back to Lakehurst, fresh and v.f., each with appropriate markings, scarce set of covers  Catalog #C13-15 | Price Realized $4,500.00 |
