cover NEWCHWANG: 1901 (27 Feb.) envelope to Bristol bearing, on reverse, "C.I.P." 2c. block of five cancelled by Newchwang pa kwa and Shanghai bilingual c.d.s. with Bristol c.d.s. alongside, the front with Hong Kong 10c. purple on red tied by Shanghai c.d.s. with Newchwang bilingual c.d.s. at left