20 Kopecks registered postal stationery with overprint "Pleskau / 60 kop", with advertising slogan 03, black hand stamp overprint, with additional franking, Pleskau Michel number 10-11 x and 12 crossed, cancelled "PCKOB * K * 20 12 41" and "PCKOB * a * 20 12 41", very fine, registered mail is overfranked, photo expertize Robert Brunel VP (2025), "the condition is perfect