Brieven Bestemmingen

Kwaliteit: ✉

1961, airmail envelope franked with COB N° 56, 58 and 62 "2fr., 5fr. and 10fr. - Katangese Art issue", sent from Elisabethville-8A May 23, 1961 to Bâle in Switzerland, rate int. for cover at "5fr." for first "20gr." + airmail 3fr./5gr. (4x), correctly franked at "11fr.", vf