Kharkov. 1920, double black downwards (inverted) overprint ''RUB'' on 5k claret, vertical strip of four (perforation reinforcement in the middle), third stamp from the top without overprint, Kharkov postal cancellation, mostly VF and a scarce item, Est. $200-$250 (Image)

Kharkov. 1920, money order for 5000rub from Kharkov to Kazan Gub, franked by seven stamps with reading up ''RUB'' overprint and 7r green and pink without overprint, all appropriate markings, archival tears at left, otherwise VF, Est. $250-$300 (Image)

Kharkov. 1920, money order for 2,500rub from Kharkov to Ufa Gub., franked by three stamps of 5k claret with upwards ''RUB'' overprints and five stamps of 3.50r without overprint on reverse, arrival ds, the money order partially incomplete at left, still fine and scarce, Est. $150-$200 (Image)

Kharkov. 1920, downward (inverted) overprint ''RUB'' on 1k orange, vertical imperforate gutter pair, slight folds along the gutter, full OG, NH, VF and scarce, C.v. $200 as hinged singles (Image)