cover 1894 (May) ½d. to 1/- set of six on 1894 (8 Oct.) overfranked registered envelope from Old Calabar to Sierra Leone cancelled by squared-circle d.s. in violet and 1d., 2½d. and 1/- (2, one defective) on 2d. registered stationery envelope (145x95mm.) from Old Calabar to England cancelled by oval "REGISTERED" d.s. S.G. 51-56