Bidspirit auction | Soviet Union Stamps of 1924-40

Soviet Union Stamps of 1924-40 - 1924-25, definitive issue, worker 2r green and rose, typo printing on thinned grayish paper, three-side margin block of ten (5x2) with double impression, double control lines at bottom selvage, two horizontal invalidating perforation lines across the design, full OG, NH, VF, Est. $600-$800, Sc. #291 imp