(Martin Hall) at lower left. Photo" /> cover 1898 U5 to England, bearing 1896 4a. crossed by red crayon stroke, in combination with B.E.A. 2½a. tied by Mombasa c.d.s. and showing arrival d.s. on reverse. The U5 initialled <I>"M.H."</I> (Martin Hall) at lower left. Photo | Christie's