LUCHTPOSTBRIEVEN

Kwaliteit: ✉

1937 N° 147 “5fr. green Stanley” and 191 (2x) “5fr. brown-black” 50th-anniversary stamp on a cover for an international postal money order sent from Stanleyville on 4/22/37 to Brussels; since the mailing was postage-free, only the airmail rate was paid, i.e., “15fr.” handwritten notation “25g./5p = 15” (charge effective April 1, 1937, of “3fr.” per 5gr.), rare item, very fine