20 Kopeck postal stationery card with the overprint "Pleskau / 20 kop", black hand-stamped overprint, blank card, on the reverse with additional postage Pleskau Mi number 7 and 8 (2), cancelled with stamp "PCKOB * K * -6 10 41" and "PCKOB -9 10 41", the card is folded in the middle, the fold goes through one of the Mi number 8, photographic finding Robert Brunel VP (2025).