1940 (6 Dec.) “Spitfire” surcharge set of four tied by Douala cds to cover cacheted for “Spitfire” flight to England, very scarce, very fine (Yv. 236-39; Mü. 20, 15’000pts) (Image)

1940 “+ 5 Frs. / SPITFIRE” surcharge, série de 4 sur env. de Douala 08.12.40 (Premier Jour), TB (Image)

1941 Spitfire / General de Gaulle surcharge set tied by M’banga cds (10 Feb.) to reg’d cover to Douala, military censor tape and hs, Douala 10 Mai 1941 bs, “wrong date” hs at right with correct M’banga cds (10 Mar), unusual and rare on cover, fine (Image)