British Levant 1905-08 1pi on 2½d ultramarine error, SG13aBritish Levant 1905 08 1pi on 2d ultramarine, type 4 surcharge, ERROR SURCHARGE DOUBLE, SG13a. A fine used example with part Smyrna circular date stamp, showing year '08'. A perfect close double. This was the first discovery example, and the basis of what became the listing the in the Stanley Gibbons British Commonwealth & Empire catalogue. A great British Commonwealth rarity and currently undervalued in the catalogue, in our opinion, as this example