Russia Pleskau, registered, Soviet 60 Kopecks postal stationery cover, with additional franking Michel number 10 / 11 y and 12 by, cancelled by cancel "PCKOB * K * 12 2 42" and "PCKOB * a * 12 2 42", overfranked, very fine, expertized Dr. Rommerskirchen BPP, photo expertize Robert Brunel VP (2025) "the condition is perfect.