U.S. & Worldwide Stamps & Postal History
May 7-8, 2019
| Images | Description | Current Bid |
 | Lot #3123 POLAND Flight Covers 1928 (30 Sep) four covers flown from Siniawka, Kuznica, Maloryta and Wasilkow to Warszawa, each franked with "Poczta Balonowa 1zl L.O.P.P." adhesive, used in combination with regular 5gr franking, tied by "Raid Balonow Kulistych" cds, with corresponding "Balon Lwow", "Balon Warszawa", "Balon Krakow" and "Balon Poznan" handstamps alongside, v.f., scarce  | Unsold |
