60 Kopecks postal stationery cover with overprint "PLESKAU 60 Kop" with additional franking 20 Kopecks and 30 Kopecks postal stamps with identical print, cancelled "NCKOB * K * / -7 10 41", very fine, expertized Bean GPSY, Dr. Rommerskirchen BPP and photo expertise Robert Brunel VP "the condition is perfect.