on 3 annas, marginal block of four used with "MOMBASA/A/AP 10/95" single circle datestamps; fine. S.G. 31, £180" /> used <I>"½ anna"</I> on 3 annas, marginal block of four used with "MOMBASA/A/AP 10/95" single circle datestamps; fine. S.G. 31, £180 | Christie's