Private Overprints of So-Called Popov Types. GROUP OF FOUR LARGE PIECES: 1918, three originated from Vinnitsya and one from Kyiv, 53 stamps altogether (2 – defected), including eight tete-beche pairs, mostly fresh quality unit, F/VF and extremely rare, one is illustrated in the Dr. Ceresa Monograph, one – signed by Dr. Seichter