on 4 annas, initialled "A.B.", used with "MOMBASA/A/JY 22/91" single circle datestamp; fine. S.G. 26, £1,000. Photo" /> used <I>"1 Anna"</I> on 4 annas, initialled<I> "A.B."</I>, used with "MOMBASA/A/JY 22/91" single circle datestamp; fine. S.G. 26, £1,000. Photo | Christie's