on 2 annas, initialled "A.B.", used with "MOMBASA/A/FE 30/91" single circle datestamp, from the top of the sheet; fine. Clear R.P.S. Certificate (1933). S.G. 23a, £950. Photo" /> used <I>½ Annas"</I> on 2 annas, initialled<I> "A.B."</I>, used with "MOMBASA/A/FE 30/91" single circle datestamp, from the top of the sheet; fine. Clear R.P.S. Certificate (1933). S.G. 23a, £950. Photo | Christie's