Lot 80444 – 1924-33 1d Grey-Black and BRIGHT Blue-Green showing variety “broken mainmast” on in mint nh top left corner marginal plate block of four

1924-33 1d Grey-Black and BRIGHT Blue-Green showing variety “broken mainmast” on lower left stamp in mint nh top left corner marginal plate block of four (partial slug, proving printing), very fine and rare variety on this 1932 second printing in a desirable positional multiple (SG £1’330+)