60 Kopecks registered postal stationery cover with overprint "Pleskau / 60 kop", black hand stamp overprint, with additional franking Pleskau Michel number 14 B, cancelled by cancel "PCKOB * K * -7 3 42" and "PCKOB * a * -7 3 42", the postal stationery cover is overfranked, very fine, photo expertize Robert Brunel VP (2025) "the condition is perfect