CAMEROUN 'SPITFIRE' FUND OVERPRINTS ON COVER: 8 Dec. 1940 local cover from Ebolowa, Cameroun bearing the set of four stamps (Banyo Waterfall) optd. "+ 5 Frs/SPITFIRE" SG 187/190. Boxed "JOURNEE DU SPITFIRE" cachet alongside. Cat £500 as used set, but scarce on cover with big premium. Very attractive. (Image)