on piece 5 ca. chrome-yellow vertical strip of three [24/9/14] and opaque paper 3 ca. (peripheral foxing) on registered front (addressee's name erased and filing crease clear of stamps) to Peking, cancelled by Tientsin seal and one 5 ca. by oval "R" h.s. Very fine and one of only two recorded covers with this registration marking. Ex Sir Percival David. Photo in colour