1892-94 1/2d to 1s set of 6 with "SPECIMEN" type 9 overprint, mint h.r., fine to very fine (S.G. £400). (Image)

1893 1/2a on 2 1/2d purple on blue, mint, fine and scarce (S.G. £500). (Image)

1893 1/2a on 1d lilac, used, cancelled to order in an unsevered pair, fine and scarce; cert. BPA (1985) (S.G. £450). (Image)

1893 1/2a on 2d green and red, surcharge type 3, mint, fine and scarce; cert. BPA (1989) (S.G. £500). (Image)

1899 (Apr 1) envelope sent from a soldier in the West Africa Frontier Force to England, endorsed "on special service, no stamps procurable", reverse with very fine strike of the Royal Niger Company "Burutu" framed hs (serif letters) in violet, with Liverpool and London arrivals, taxed with ms "2d" and "T" in crayon, with "2d" crossed out and "1d" hs applied instead in London, minor creasing, fine. (Image)