on piece 1891 (2 Jul.), cover front from Mombasa to Glasgow, bearing "1 Anna" on 4 annas, initialled "A.B.", corner pair, used with 1890-95 ½a. dull brown, 4a. yellow-brown and 1r. carmine, tied by "MOMBASA/A/JY 2/91" single circle datestamps; front somewhat crumpled but very rare. S.G. 26, £2,000. Photo

Details
on piece 1891 (2 Jul.), cover front from Mombasa to Glasgow, bearing "1 Anna" on 4 annas, initialled "A.B.", corner pair, used with 1890-95 ½a. dull brown, 4a. yellow-brown and 1r. carmine, tied by "MOMBASA/A/JY 2/91" single circle datestamps; front somewhat crumpled but very rare. S.G. 26, £2,000. Photo
Provenance
Colonel J.R. Danson, 1971, (£34)