The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess master die proof of large (rupee) format in deep green on thick wove paper (40 x 42mm), unfinished with upper Arabic numeral tablets and value tablet blank, slight mounting thin at top and trace marks of previous framing. Ex Baumann and Minns. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson litho die proof of 4a. in pale brown on wove paper (33 x 37mm), tiny thins and slight residual mounting gum traces. The unique completed die proof. Ex Baumann, Minns and Baillie. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson litho imperf. proof of 21/2a. in black on thick yellow-buff paper, stamp-sized, slight faults but rare. Two singles and two pairs (one in the Royal Philatelic Collection) are recorded. Ex Danson and Minns. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess imperf. sample proofs on thick wove paper, perforated "SPECIMEN" (Samuel type B1), 1/2a. in green. Ex 'Shivani'. One of five recorded, two in this colour. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess imperf. sample proofs on thick wove paper, perforated "SPECIMEN" (Samuel type B1), 1/2a. in brown-red. Ex Minns and Baillie. One of five recorded, two in this colour. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess imperf. sample proofs on thick wove paper, perforated "SPECIMEN" (Samuel type B1), 1/2a. in orange-red. Ex 'Shivani'. One of five recorded, unique in this colour. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess imperf. sample proofs on thick wove paper, perforated "SPECIMEN" (Samuel type B1), 1a. in blue-green. Ex Rossiter, Minns and Baillie. One of only two recorded, unique in this colour. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess imperf. sample proofs on thick wove paper, perforated "SPECIMEN" (Samuel type B1), 2a. in dark brown. Ex Rossiter, Minns and Baillie. One of eight recorded, two in this colour. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess imperf. sample proofs on thick wove paper, perforated "SPECIMEN" (Samuel type B1), 2a. in indigo. Ex Seys, Minns and Baillie. One of eight recorded, unique in this colour. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson recess imperf. sample proofs on thick wove paper, perforated "SPECIMEN" (Samuel type B1), 8a. in bright blue. Ex 'Shivani' and Vestey. One of five recorded. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Bradbury, Wilkinson file reference stamps originally retained by the printers, 1891 printing 3a. and 41/2a., upper left corner blocks of four of each value from the two sheets retained by the printers, one block of each dated "5th May 1891" in upper selvedge and with each stamp handstamped "SPECIMEN" (faintly) in red, fine without gum. (4 blocks of four) With photocopy of B.P.A. certificate (1991) for dated blocks. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Selection of printings all in fresh mint blocks of four, comprising 1/2a. first, second and third printings, 1a. first and second printings, 2a., 21/2a. third printing, 3a. first and second printings, 4a. yellow-brown, 41/2a. first and second printings, 8a. blue, 1r. carmine, 2r., 3r., 4r. and 5r. modified design 5a. and 71/2a., new mainly fine with many unmounted. (20 blocks of four) (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: Selection of mint multiples incl. scarcer comprising first printing 1/2a. block of twelve, 1a. block of five and strip of three, all ex Minto and Minns, 1/2a. third printing and 1a. second printing complete sheets of sixty, 21/2a. third printing blocks of four (2), 4a. yellow-brown blocks of four and nine, both showing malformed "S" in "EAST" [R. 3/1] and ex Minns, chiefly fine. (161) Also a slightly duplicated series of twenty enlarged plating photographs of complete sheets to 5r. incl. 1894 surcharges. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1/2a. dark brown on thin paper, scarce first printing, complete sheet of sixty less horizontal strip of five [R. 6/1-6/5], mainly fine unmounted mint. S.G. 4. Only one full sheet is recorded. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1/2a. dark brown on thin paper, scarce first printing, mint half sheet of thirty [R. 1/1-6/5], three with slight stain otherwise mainly fine and unmounted except three. Ex Minto and Minns. S.G. 4. Only one full sheet is recorded. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1/2a. dark brown on thin paper, first printing, imperf. horizontal pair, mint, fine. S.G. 4a, cat. £1,500. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1/2a. deep dull brown on thick paper, second printing, imperf. horizontal pair from the lower left corner of the sheet, large part original gum, fine. S.G. 4ba, cat. £900. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1/2a. deep dull brown on thick paper, second printing, horizontal pair imperf. between, mint, fine and rare. Only ten unused pairs recorded. S.G. 4bb, cat. £1,700. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1/2a. deep dull brown on thick paper, second printing, vertical pair imperf. between, large part original gum, fine. S.G. 4bc, cat. £1,400. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1a. blue-green, first printing, imperf. horizontal pair, mint with two pressed horizontal creases, fine appearance. Ex Carleton Jones. S.G. 5a, cat. £5,000. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 1a. blue-green, scarce first printing, complete sheet of sixty less the upper left corner stamp but including the "ANL" variety [R. 6/5], a few minor bends, not affecting the variety, otherwise fine unmounted mint. S.G. 5, aa, cat. £1,551+. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 2a. vermilion, complete mint sheet of sixty, some faint stains and patches of missing gum otherwise fine. S.G. 6, cat. £420+. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 2a. vermilion, imperf. horizontal pair, large part original gum, fine. S.G. 6a, cat. £5,000. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 21/2a. black on buff thin paper, second printing, mint block of four, marginal from the top of the sheet, mainly fine. The only known unused block. S.G. 7b, cat. £400+. Photo. (Image1)

The John Wilks British East Africa: 1890-95 I.B.E.A. Co. Definitives: 21/2a. black on buff thin paper, second printing, block of four used with "JY 18/93" Mombasa squared circles, slight faults at left but rare. Ex Rossiter. S.G. 7b. Only two blocks of four from the second printing are known, one being unused. Illustrated in "British East Africa: The Stamps and Postal Stationery" by Minns (first edition, 1981), p. 23. (Image1)