cover 1902 (11 May) Imperial Chinese Railway Telegraph postcard to England, bearing QV ½a. pair tied by Type 50 and showing Base Office B and Base Office transit d.s. on face; 1902 (11 June) philatelic envelope to Wei Hai Wei bearing QV 3p. (2) tied by Type 54 c.d.s. and, in opposite corner, clearly tied Russian P.O. in China 3k.; 1902 (26 July) envelope (194x125mm.; creases) to Germany bearing, on reverse, QV 1a. (7) tied by Type 50 c.d.s. with Base Office and Hong Kong transit d.s. alongside and showing, on face, framed "S.B./OSTAS.BESATZ BRIGADE/FAHRENDE BATTERIE"

Details
cover 1902 (11 May) Imperial Chinese Railway Telegraph postcard to England, bearing QV ½a. pair tied by Type 50 and showing Base Office B and Base Office transit d.s. on face; 1902 (11 June) philatelic envelope to Wei Hai Wei bearing QV 3p. (2) tied by Type 54 c.d.s. and, in opposite corner, clearly tied Russian P.O. in China 3k.; 1902 (26 July) envelope (194x125mm.; creases) to Germany bearing, on reverse, QV 1a. (7) tied by Type 50 c.d.s. with Base Office and Hong Kong transit d.s. alongside and showing, on face, framed "S.B./OSTAS.BESATZ BRIGADE/FAHRENDE BATTERIE"