The Chartered Mercantile Bank of India, London & China, Proof 100, Colombo, 18--, crowned arms top centre flanked by a lion and a unicorn, value top left and right (PS.117 for type), 'June 15 1864' in low left margin, SPECIMEN overstamp in low right field, slight staining at right, extremely fine

Details
The Chartered Mercantile Bank of India, London & China, Proof 100, Colombo, 18--, crowned arms top centre flanked by a lion and a unicorn, value top left and right (PS.117 for type), 'June 15 1864' in low left margin, SPECIMEN overstamp in low right field, slight staining at right, extremely fine