Kharkiv. 1918, dull black overprint (type 4) on imperforated 3.50r and 5r, first one with a part of postal cancellation (illustrated in the Dr. Ceresa Monograph), the other one with full OG, LH, VF, expertized by J. Bulat, C.v. $325 (Image)

Kharkiv. 1918, black overprint (type 6) on perforated 35k and 50k, first one is illustrated in the Dr. Ceresa Monograph, full OG, NH (35k) or previously hinged, VF, ex-Dr. Zelonka, C.v. $225 (Image)

Kharkiv. 1918, black overprint (type 7) on perforated 50k and imperforated 1r, both are postally used, the last one with a pinhole, fresh condition otherwise, VF, C.v. $375 (Image)