20 Kopecks postal stationery with overprint" Pleskau / 20 kop", black hand stamp overprint, blanco card, on the reverse side with additional franking Pleskau Michel number 7 and 8 (2), cancelled by cancel "PCKOB * K * -6 10 41" and "PCKOB -9 10 41", the card is centered folded, the folding goes through one of the Michel number 8, photo expertize Robert Brunel VP (2025)