Lot 30055 – 1913 Romanov Tercentenary 15k group of four bi-colour complete final state proofs in different colour combinations

1913 Romanov Tercentenary 15k group of four bi-colour complete final state proofs in different colour combinations, some small thins otherwise fine. Possibly from Tsar collection sold by R. Lowe auction in 1935 – Lot 16 described as « 15 kopeks: … Seventy six die proofs, bi-colored in various combinations of colors » published in the Yamschik-Post Rider 1983, No 12, page 14.