Kossoy Collection of Poland; U.S. & Worldwide Stamps
September 11-13, 2012
| Images | Description | Current Bid |
 | Lot #292 EGYPT Zeppelin Flights 1931 the so-called Boomerang, double-card making round-trip, German franking 1m cancelled on board to Egypt and back, with 100m surcharge cancelled in Cairo, addressed to Romanshorn, Switzerland, very unusual and rare  | Unsold |
