cover 1900 (15 July) envelope from Berber, Sudan yo Wei-Hai-Wei, franked at 1pi. and showing, on reverse, clear "LIU KUNG TA/POST OFFICE." oval d.s. (24.8) in blue along with Halfa (18.7), Beni Souef-Cairo T.P.O. (23.7), Suez, Colombo and "SINGAPORE TO HONG KONG" (12.8) transit c.d.s.; the envelope with tears at top caused through opening which affect the arrival d.s. Photo