5 Kopecks postal stationery with overprint "PLESKAU / 20 kop", black hand stamp overprint and additional franking Pleskau Michel number 4 and 8, addressed, only frontal inscribed, cancelled by black cancel "PCKOB * K * -18 10 41", sound, photo expertize Robert Brunel VP (2025) "the condition is perfect", expertized Zirath