British East Africa 1890-95 2½a black/yellow-buff error, SG7aBritish East Africa 1890 95 2a black yellow buff error, from 1891 first printing on thin paper, horizontal pair, ERROR IMPERFORATE BETWEEN (and at foot), SG7a. A fine mint example with original gum. The stamp features the Sun and Symbol of "Light and Purity". A great British Commonwealth rarity, one of just three pairs recorded. Accompanied with a British Philatelic Association (BPA) certificate of authenticity (2006). Stanley Gibbons catalogue value: