Bidspirit auction | Soviet Union - Large Die

Soviet Union - Large Die Proofs - 1979, 400th Anniversary of Vilnius State University, sunken die proof of 4k in black, engraved part of the design, artist A. Zhvilis, engraver L. Mayorova, size 120x100mm, printer's markings at sides, printed on gummed paper, traces of hinges, still VF and very rare, Est. $400-$500, Scott #4731