Lot 30019 – 1913 Romanov Tercentenary 1k olive, complete die proof on chalk surfaced paper

1913 Romanov Tercentenary 1k olive-yellow complete die proof on chalk surfaced paper, with the names of designer and engraver beneath the picture, pencil « 43 » on reverse », possibly from Tsar collection sold by R. Lowe auction in 1935 – Lot 16 described as “ 1 kopek: Two die proofs in shades of olive”, published in the Yamschik-Post Rider 1983, No 12, page 12, small thin at top, fine and rare