60 Kopecks registered postal stationery cover with overprint "Pleskau / 60 kop", black hand stamp overprint, with additional franking Pleskau Michel number 10 x, cancelled by cancel "PCKOB * K * 12 1 42" and "PCKOB * a * 12 1 42", the registered postal stationery cover is overfranked, very fine, expertized Dr. Rommerskirchen BPP, photo expertize Robert Brunel VP (2025) "the condition is perfect