on 2 annas, initialled "A.B.", used with 1890-95 2 annas, S.G. 6, and tied to small piece by "MOMBASA/A/MR 20/91" single circle datestamps; fine. S.G. 23, £700. Photo" /> on piece <I>"½ Anna"</I> on 2 annas, initialled<I> "A.B."</I>, used with 1890-95 2 annas, S.G. 6, and tied to small piece by "MOMBASA/A/MR 20/91" single circle datestamps; fine. S.G. 23, £700. Photo | Christie's