Lot 10324 – 1924 50c Olympics unissued design die proof in dark blue and light blue on white paper

1924 50c Olympics unissued design (depicting the Roman arena in Nîmes) die proof (stage 4b) in dark blue and light blue on white paper, with embossed impression of the printing die and positioning pin holes either side, signed at the lower right by the engraver Daussy, fine, signed J. F. Brun