Bélgica. Aéreo

Automatically generated translation

Yvert 1, 6. 1939. 50 cts blue and 1 f over 1'50 f chestnut black. Airmail from BRUSSELS to BARCELONA. Carried on the FIRST REGULAR ROME-BARCELONA FLIGHT of the Ala Littoria. MAGNIFICENT AND EXTREMELY RARE, ONLY THIRTY-FIVE KNOWN LETTERS.