Kenya, Uganda and Tanganyika: Kenya and Uganda: 1922-27 Watermark Mult. Script CA 1c. to £1 set, mainly fine mint. S.G. 76-95 cat. £500. Photo. (Image1)

Kenya, Uganda and Tanganyika: Kenya and Uganda: 1922-27 Watermark Mult. Script CA £10 black and green, overprinted “SPECIMEN” (Samuel type D12a) in red, slight grease mark, otherwise fine with gum. S.G. 100s, cat. £900. Photo. (Image1)

Kenya, Uganda and Tanganyika: Kenya and Uganda: 1922-27 Watermark Mult. Script CA £20 red and green overprinted “SPECIMEN”, slightly toned, otherwise fine with gum S.G. 101s, cat. £1,600. Photo. (Image1)

Kenya, Uganda and Tanganyika: Kenya and Uganda: 1922-27 Watermark Mult. Script CA £25 overprinted “SPECIMEN” (Samuel type D12a) in red, hinge stain otherwise fine with gum. S.G. 102s, cat. £1,700. Photo. (Image1)

Kenya, Uganda and Tanganyika: Kenya and Uganda: 1922-27 Watermark Mult. Script CA £50 black and brown, overprinted “SPECIMEN” (Samuel type D12a) in red, lightly toned, slight gum disturbance, otherwise fine. S.G. 103s, cat. £2,250. Photo. (Image1)

Kenya, Uganda and Tanganyika: Kenya and Uganda: 1922-27 Watermark Mult. Script CA £75 purple and grey, overprinted “SPECIMEN” (Samuel type D16), slightly toned, otherwise fine with gum. S.G. 104s, cat. £4,250. Photo. (Image1)

Kenya, Uganda and Tanganyika: Kenya and Uganda: 1922-27 Watermark Mult. Script CA £100 red and black overprinted “SPECIMEN” (Samuel type D16), with gum, slightly toned, minor corner crease, otherwise fine. S.G. 105s, cat. £4,750. Photo. (Image1)