Kharkiv. 1918, violet overprint (reprint type 1) on perforated stamps of 2k-7k and imperforated 1k and 3k, all are postally used, fresh, VF, expertized by J. Bulat and Dr. Seichter, C.v. $150 (Image)

Kharkiv. 1919, stationery envelope with black overprint (type 1) on 10k blue, sent locally in Kharkiv by registered mail, uprated by seven values, including four Postal Charity stamps with black Katerinoslav (type 2) overprint on reverse, light fold between stamps and some soiling, still F/VF and scarce (Image)