1915 1/2p on 5pf, 1p on 10pf and 2p on 20pf, used in combination with 1p Nigeria on registered cover to Switzerland, all tied by "Buea 11.10.17" cds, with Victoria and Liverpool transits and Basel (21.11.17) arrival on reverse, filing fold at bottom, still a fine and rare combination cover (Cat No. 54-56) (Image)

Est.US$250