Bidspirit auction | Soviet Union - Large Die

Soviet Union - Large Die Proofs - 1978, Soviet Icebreakers, 4k-20k, complete set of six sunken die proofs in indigo, black or violet, artist A. Axamit with group of engravers, each one with printer's markings at sides, full OG with just slight trace of hinges, mostly VF and very rare in complete set, Est. $2,000-$2,400, Sc. #4721-26