Nemercha (Podilia Gub.). 1918, black overprint on perforated 1r brown, pale brown and orange, neat postal cancellation, F/VF and scarce, expertized by Dr. Seichter, A. Popov and others, this stamp is listed in the Dr. Ceresa Monograph (volume 2, page 231), according to that the stamp has type IIIaa, Est. $250-$350 (Image)