The John Wilks British East Africa: 1897-1903 'Large Queen' Issue: Imperforate plate proofs, 3r. in issued deep violet on Crown CC watermarked paper, without gum, fine. Ex 'Shivani', Krieger and Vestey. One of just three recorded copies, one being in the Royal Philatelic Collection. Photo. (Image1)

The John Wilks British East Africa: 1897-1903 'Large Queen' Issue: 1r. grey-blue, 2r. and 4r. mint, 1r. dull blue, 1r. bright ultramarine, 3r., 5r. and 10r. unused (regummed), good to fine. (8) S.G. 92-b, 93-97, cat. £2,530. Photo. (Image1)

The John Wilks British East Africa: 1897-1903 'Large Queen' Issue: 20r. pale green, mint, fine and fresh. Ex 'Vaduz' collection. S.G. 98, cat. £1,200. Photo. (Image1)

The John Wilks British East Africa: 1897-1903 'Large Queen' Issue: 50r. mauve, exceptionally fine example, mint with part selvedge at left. Ex 'Vaduz' collection. A. Diena certificate (1961) S.G. 99, cat. £2,500. Photo. (Image1)