1899, "BODENSEE SCHIFFSPOST" letter with 5-country-franking from all countries round the Bodensee "BAYERN, WÜRTTEMBERG, DEUTSCHES REICH, SCHWEIZ a. Österreich by steamship to WUCHOW/CHINA with transit cds "SHANGHAI TO HONGKONG" CANTON and arrival cds. "WUCHOW 29.JUN.99" all on backside! Extremly scarce! (Image)