South Russia - Rostov Issue. 1918, black surcharge 25(k) on imperforate 2k green, basic stamp with double impression, bottom left corner margin block of four, surcharge positions 81-82/91-92, marginal folds did not affect the stamps, full OG, NH or LH (top stamps), VF, I. Myaskovsky opinion, C.v.$600 as hinged singles, Est. $300-$400 (Image)