Bidspirit auction | Soviet Union Collection of Sheets

Soviet Union Collection of Sheets and Large Blocks - 1928, second definitive issue, peasant 7k red, complete sheet of 100 (10x10), control inscription at the bottom right ''1 Blan. Mast. Mash. No.'', folded along horizontal perforation, minor separation, full OG, NH, VF, SC. V. 17,500 as singles, Sc. #388