Lot 42091 – 1907-12 50c on 5d specialised group of multiples and plate varieties

1907-12 50c on 5d specialised group of multiples and plate varieties, incl. mint top left corner marginal block of 25 from plate H3D3 (ex Count Exelllmans), mint top right corner marginal block of 8 H3D3 with R1/12 showing broken crown (cert. RPS, S.G. Spec. M29b £475 for unoverprinted) and lower corner pair from same plate, mint top left corner marginal block of four H2D4, different constant duty tablet breaks on a mint block of four, a lower marginal pair and a used single, two mint blocks of four in different shades, and used stamp with a pre-printing hair affecting the printing.