| Images | Description | Current Bid |
 | Lot #1572 POLAND Flight Covers 1931 (20.7.) First Flight Sofia-Warszawa, v.f., with 21.7. arrival pmk, charged 10gr postage due (deemed unnecessary, hence "Uniewazniono" (cancelled) hs applied), only five carried  | Price Realized $1,400.00 |
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