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 bx, cancelled "PCKOB * K * 3 1 41 and "PCKOB * a * 3 1 42", very fine, registered mail is overfranked, expertized Dr. Schultz, photo expertize Robert Brunel VP (2025), "the condition is perfect