LUCHTPOSTBRIEVEN

Kwaliteit: ✉

1938 N° 173 (2x) “50c. violet,” indigenous scenes, and N° 187, “1.50fr. lilac-brown,” 50-cent stamp on a letter from Leopoldville mailed on February 11, 1938, to Vienna, Austria; blue cancel from Leopoldville - Kalina, rare, correctly franked at “2.50fr.”, very fine