2 M. and 50 Pfg. Ludwig III. perforated on international insured letter from MUNICH 36 9. August 17 with on the back post office censorship from post office 36 with Negative service seal and handwritten notation "contents official expertized K. P. A. Munich 36" ( 2 Paraphen) to Kronstadt, Hungaria, small transport traces, in this combination rare!