Lot 50463 – 1890-95 2 1/2a Black on yellow-buff imperf. between vertical pairs in block of four

1890-95 2 1/2a Black on yellow-buff imperf. between vertical pairs in block of four, Mombassa JA 16 94 squared circle ds, fine, one of only two recorded blocks of four of this variety (SG £1’200+)

Note: All the sheets of the part perforated stamps were bought in London by a philatelist called Hayman, who used a portion of them to frank a series of self addressed covers which he despatched to Mombassa. This block originates from such a cover