Airmail Covers

Quality: ✉

1937 N° 147 (3x) “5fr. green Stanley,” and N° 183 (3x) “20fr. sepia” featuring indigenous scenes on an envelope for an international postal money order sent from Stanleyville on 20 April 1937 to Brussels; as the item was postage-free, only the airmail charge of “75fr.” was paid by handwritten notation: 125gr./25p. (charge effective 1 April 1937: “3fr.” per 5gr.), rare item, very fine/fine