cover PF-PH strip of three in the violet-blue shade, margins nearly all round (PF clipped at left, PG close or touching at base) used together with 1841 1d., margins at places, on neat mourning envelope dated 19 March 1852 to London, tied by black "444" numeral cancellations with corresponding "LEAMINGTON" double-arc d.s. alongside in blue with matching "REGISTERED" adjacent which also ties 2d. PH; fine and rare. B.P.A. Certificate (1974). Photo