Nigeria: Niger Coast Protectorate: Oil Rivers: 1896 (July 3) envelope to England bearing Oil Rivers 1/2d. vermilion and Niger Coast 1d. blue and 1d. vermilion tied Opobo River c.d.s’s, Liverpool paid packet mark alongside and endorsed “Per S.S. Bonny”, Manchester July 4 arrival on reverse, cover with some foxing. Photo. (Image1)

Nigeria: Niger Coast Protectorate: Oil Rivers: 1893 (Dec. 11) registered envelope to England bearing Oil Rivers 2d. and 1s. tied Old Calabar River c.d.s’s, “R” handstamp and Liverpool transit alongside, Plymouth Jan. 9 arrival on reverse, cover with some foxing. Photo. (Image1)

Nigeria: Niger Coast Protectorate: Oil Rivers: 1893 (Dec.) Provisionals Type 6 “HALF/PENNY” in vermilion on 21/2d. purple on blue, used, horizontal crease, otherwise fine. S.G. 19, cat. £325. Photo. (Image1)

Nigeria: Niger Coast Protectorate: Oil Rivers: 1893 (Dec.) Provisionals Type 9 “HALF/PENNY” in blue on 2d. grey-green and carmine, fine used. Philatelic Foundation certificate (1980). S.G. 29, cat. £750. Photo. (Image1)

Nigeria: Niger Coast Protectorate: Oil Rivers: 1893 (Dec.) Provisionals Type 9 “HALF/PENNY” in violet on 2d. grey-green and carmine, fine used. R.P.S. certificate (1984). S.G. 29, cat. £375. Photo. (Image1)

Nigeria: Niger Coast Protectorate: Oil Rivers: 1893 (Dec.) Provisionals Type 9 “HALF/PENNY” in vermilion on 21/2d. purple on blue, fine used. Philatelic Foundation certificate (1980). S.G. 31, cat. £700. Photo. (Image1)

Nigeria: Niger Coast Protectorate: Oil Rivers 1893 (Dec.) Type 11 “One/Shilling” in violet on 2d. grey-green and carmine, mint with part original gum, pulled perf. at top, otherwise fine. R.P.S. certificate (1983). S.G. 37, cat. £450. Photo. (Image1)

Nigeria: Niger Coast Protectorate: Oil Rivers 1893 (Dec.) Type 11 “One/Shilling” in violet on 2d. grey-green and carmine, fine used. R.P.S. certificate (1983). S.G. 37, cat. £375. Photo. (Image1)