Bidspirit auction | ✉ POLONIA. 1938 (28-V). RIO
✉ POLONIA. 1938 (28-V). RIO DE JANEIRO to WARSAWA. RAID LOS ANGELES-WARSAWA by Captain SKARZYUSKI, stage RIO DE JANEIRO-WARSAWA. RARE only 20 covers flown.
✉ POLONIA. 1938 (28-V). RIO DE JANEIRO to WARSAWA. RAID LOS ANGELES-WARSAWA by Captain SKARZYUSKI, stage RIO DE JANEIRO-WARSAWA. RARE only 20 covers flown.