1924 Lord Byron 10L hand painted essay in brown on card, 29x36mm, showing an unadopted design, very fine and a unique showpiece (Image)

1924 Lord Byron 80L hand painted essay in blue on card, 29x32mm, showing the adopted design but with “sober face,” very fine and a unique showpiece (Image)

1924 Lord Byron 80L die proof in brown with “SPECIMEN” perforation, imperforate on ungummed paper, 2024mm, showing the adopted design but with “smiling face,” very fine (Image)

1924 Lord Byron 2D die proof with “SPECIMEN” perforation, green frame and black centre, imperforate on ungummed paper, 46x31mm, very fine (Image)

1927 Landscapes 5L / 50L / 80L die proof of the centre (showing the boat in the valley) in black on ungummed paper, 20x21mm, red & blue crayon marks, slight thin

1927 Landscapes 5L / 50L / 80L die proof of the frame in black with the centre and values tablets cut out, imperforate on ungummed paper, 24x30mm, blue crayon mark (Image)

1927 Landscapes 10L die proof in black with value tablet cut out, on ungummed paper, 21x27mm, blue crayon mark (Image)

1927 Landscapes 1D plate proof with green frame and black centre on gummed paper, imperforate with wide margins, 29x21mm, very fine (Image)

1927 Landscapes 1D plate proof with green frame and red centre on gummed paper, imperforate with wide margins, 29x21mm, very fine (Image)

1927 Landscapes 1D essay in blue (fine print) on ungummed paper, lower marginal vertical pair, imperforate with wide margins, very fine

1927 Landscapes 5D / 15D plate proof of the centre (showing the Academy of Sciences) in black on ungummed paper, 41x27mm, imperforate in sheetlet form, horizontal blue crayon mark

1927 General Fabvier 1D die proof in brown (unissued colour), 38x23mm, imperforate, fine, signed Vlastos (Image)

1927 General Fabvier 3D die proof in mauve (unissued colour), 38x23mm, imperforate, tear on each side at bottom, signed Vlastos (Image)

1927 General Fabvier 6D die proof in reddish purple (unissued colour), 38x23mm, imperforate, fine, signed Vlastos (Image)

1935 Landscapes Perkins Bacon unissued 50L die proof in violet (issued colour) without engraver’s inscription, in sheetlet format on thick ungummed paper, 62x84mm, very fine (Image)

1931 Landscapes Perkins Bacon 1D die proof of the centre only in black, imperforate left marginal block of four on ungummed paper, fine (Image)

1931 Landscapes Perkins Bacon 1D plate proof in the issued colours on ungummed paper, in right marginal pair, imperforate with wide margins, very fine

1931 Landscapes Perkins Bacon 1D die proof of the frame only in dark blue with engraver’s inscription underneath, in imperforate vertical gutter pair on ungummed paper, very minor creasing, fine (Image)

1931 Landscapes Perkins Bacon 1D die proof of the frame only in dark blue with engraver’s inscription underneath, in sheetlet format on thick ungummed paper, 89x51mm, very fine (Image)

1931 Landscapes Perkins Bacon 1D die proof with engraver’s inscription underneath in the issued colours, in sheetlet format on thick ungummed paper, 62x49mm, small corner crease otherwise fine (Image)

1934 Landscapes (re-engraved) 15D imperforate block of four, mint og, very fine (Image)

1933 Republic issue 50D, 75D and 100D die proofs in non-issued colours, imperforate on ungummed paper, 50D dark violet centre & yellow-brown frame, 75D black centre & purple frame and 100D dark olive centre & yellow-brown frame, very fine and very rare (Image)

1933 Republic issue 75D die proof with violet-brown frame and black centre, in sheetlet format on thick ungummed paper, 44x67mm, fine (Image)