5 Pfg. On 10 penny crown / eagle with diagonal typography overprint \"China\", overprint variety \"short blue line under respectively besides the overprint indication of value\", centrically cancelled \"Tsingtau 9 / 5 00\" on nice contrasting blue letter piece, expertized Drahn, photo expertize Jäschke Lantelme BPP: \"in faultless, used condition. \" for the first time was these stamp 1957 during the 94. Mohrmann auction auctioned.