Albert with kepie

Quality: ✉

1937, Belgium, airmail letter franked with (1x) 5fr. green, (1x) 10fr. lilac-pink, (1x) 1.75fr. slate blue and (1x) 2fr. violet (COB 323, 324 - Albert Képi issue and 430, 431 - Poortman), sent from Antwerp on 26/2/1937 to an officer aboard the SS Liège in Buenos Aires, Argentina, where it arrived on 3/3/1937, rare, very good condition