Essays and Proofs. 1924 50c Olympics unissued design (depicting the Roman arena in Nemes), group of three mono-colour proofs on quadrillé paper in light brown, violet and deep green, showing impressions of the die struck into the paper, each with various amounts of toning and peripheral faults, scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) mono-colour proof on handmade paper in brownish red, showing impression of the die struck into the paper, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) die proof of the frame only on wove paper in blue with coloured surround, showing impression of the die struck into the paper, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof on vertically laid paper in light blue and dark grey-blue, showing impressions of the central vignette and frame dies struck into the paper, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof on quadrillé paper in blue and dark blue, with central vignette slightly misplaced, showing impressions of the dies struck into the paper, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof on glossy paper in greenish blue and blue, with central vignette misplaced, showing impressions of the dies struck into the paper, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in grey-blue and light brown on yellowish wove paper, pencil "714/103" at lower right referring to the colours, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in mauve and reddish brown on yellowish wove paper, pencil "418/519" at lower right referring to the colours, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in brown-black and violet on yellowish wove paper, pencil "518/712" at lower right referring to the colours, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in brown-black and orange-yellow on yellowish wove paper, pencil "215/712" at lower right referring to the colours, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in brown-black and magenta on yellowish wove paper, pencil "413/712" (rubbed out ) at lower right referring to the colours, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in brown-black and orange-yellow on yellowish wove paper, pencil "215/712" at lower right referring to the colours, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in red-orange and green on yellowish wove paper, pencil "303/401" at lower right referring to the colours, fine and scarce. (Image)

1924 50c Olympics unissued design (depicting the Roman arena in Nemes) colour proof in light blue and olive on yellowish wove paper, pencil "604/113" at lower right referring to the colours, fine and scarce. (Image)