FRENCH EQUATORIAL AFRICA, 1937 AIR POST ISSUE ESSAYS, C5//C8, six diff. from the second design in the set, in different colors from the issued stamps, blank value tablets, full mint never hinged o.g., very fine, scarce proof material (Image)

$200

FRENCH EQUATORIAL AFRICA, 1939 REVOLUTION AIR POST IN BLACK WITHOUT DENOMINATION AND COUNTRY INSCRIPTION IMPERFORATE MINT NEVER HINGED, fresh, with perfect gum, extremely fine, rare (Image)

$300