20 Kop. on 3 Kop. postal stationery postcard with additional franking 20 Kop. on 3 Kop. (pale blue) as correctly franked on not postal transported registered "PSKOW no. 307", cancelled "PSKOW -k 22 9 41", in perfect condition condition, signed Dr. Schultz and certificate with photograph Zirath BPP (2014) : "the stamps in the horizontal pair and the postal stationery postcard are in the condition perfect. ", Michel 3. 840.- - very rare!