LUCHTPOSTBRIEVEN

Kwaliteit: ✉

1937 PA 8 (2x) and PA 12 “1fr. carmin” and "5fr. “brown-yellow” airmail stamps on an envelope for an international postal money order sent from Kabalo on 1/11/37 to Brussels; since the item was postage-free, only the airmail fee of “7fr.” for 10gr. was paid. (rate in effect through March 31, 1937: “3.50fr.” per 5gr.), rare item, very fine/fine