1956 2D POSTAGE DUE BISECTS USED ON COVERS (3) WITHIN LONDON. Three examples of the 1956 2d postage due 'bisect' all used on envelopes within London, each cover dated 5th June 1956, each cover postage underpaid at 1½d and with '1d' postage due surcharge handstamp. Bisects not tied but undoubtedly genuine and reflecting the increase in postage rate to 2d in 1st June 1956. Rare group. (3 items). (Ref 50354).