cover 1902-13 range of T.P.O.'s comprising 1902 "red band" XU5 and 1904 5pf. postal card, both cancelled "TSINGTAU-WEIHSIEN/ZUG 1" oval d.s., and the latter showing dated "TSCHINGTSCHOUFU" and undated "TSCHOUTSUN/DEUTSCHE POST" handstamps; 1913 picture postcard and large part card both showing "TSINGTAU-TAPAUTAU" c.d.s.; fine strikes.