British East Africa
on piece 1890-95 2½a. imperforate horizontal pair, used on piece of 2½a. postal stationery envelope and cancelled by 1893 "MOMBASA" (23 Nov.) squared-circle d.s. Only 180 imperforate stamps issued. S.G. 7bb, #400. Photo
Details
on piece 1890-95 2½a. imperforate horizontal pair, used on piece of 2½a. postal stationery envelope and cancelled by 1893 "MOMBASA" (23 Nov.) squared-circle d.s. Only 180 imperforate stamps issued. S.G. 7bb, #400. Photo