"received on letter from Capt. A. Eric Smith 1890"; rare. S.G. 1, £800. Photo" /> used Block of Four ½a. on 1d., used block of four with "MOMBASA/C/JY 22/90" single circle datestamp: very minor perf. soiling, otherwise exceptionally fine; endorsed on the reverse,<I> "received on letter from Capt. A. Eric Smith 1890"</I>; rare. S.G. 1, £800. Photo | Christie's