Bidspirit auction | Soviet Union Collection of Sheets

Soviet Union Collection of Sheets and Large Blocks - 1957, Launching of the First Sputnik, 40k indigo on light blue paper and 40k bright blue, complete set in sheets of 98 (14x7), slightly folded along perforation, full OG, NH, VF and scarce in sheets, SC.v. 7,840P , Sc. #1992-93