LUCHTPOSTBRIEVEN

Kwaliteit: ✉

1937 PA 5 (2x) and PA 12 “15fr. sepia” and “5fr. brown-yellow” airmail stamps on a cover for an international postal money order sent from Stanleyville on March 20, 1937, to Brussels; since the item was postage-free, only the airmail charge of “35fr.” was paid, handwritten notation “50gr.” (charge in effect until March 31, 1937, of “3.50fr.” per 5gr.) on the back; cancellation “BRUXELLES 1N/27 1937”; rare item, very fine