cover 9kr. reddish brown horizontal pair on 1870 (11 Apr.) 9kr. light brown stationery envelope from Freiburg to Saigon, Cochin-Chine via Marseilles by French paquebot cancelled by "STADT-POST" c.d.s. showing "BADE STRASB" c.d.s. and "PD" in red with transit and arrival c.d.s. on reverse. A rare franking to an extraordinary destination. Ex. Yardley. M. 20a. Photo