12 Pfg numerals with ribbon type overprint, rotary printing upper margin piece, mixed franking with 40 INKb and 55 I (forgeries to the detriment of the post) as well 2 Pfg buildings as correctly franked on registered mail distance postcard from "Stuttgart Bad Cannstatt 19.9.48" to Neuhausen / Filder with reverse arrival stamp, photo expertize H. D. Schlegel BPP (2018) : "the quality is perfect. " - very scarce franking in existing form probably the only one exists!