NIGER COAST 1893 'HALF PENNY.' on 2½d purple/blue, SG31Niger Coast 1893 (Dec) "HALF PENNY." on 2d purple blue, type 9 surcharge in vermilion, Old Calabar provisional, SG31. A fine mint example with large part original gum. Trace of rubbing, but still a really fine example for this issue. Very scarce and most surviving examples found are in poor condition. Stanley Gibbons catalogue value: 650. The main post office of Niger Coast Protectorate was established at Old Calabar in November 1891. Initially,