Bidspirit auction | Soviet Union stamps of 1923-32

Soviet Union stamps of 1923-32 - 1928, definitive issue, peasant 6k blue, horizontal position of watermark Borders and Rosettes, vertical gutter block of eight (2x4), sheet margins at top and bottom right, which confirmed that this item is originated from a sheet of 80 (20x4), full OG, NH, VF and rare multiple, Sc. #309 var