Great Britain 1911 6d bright magenta, SG296 King George VI stamps Stefan Heijtz Falkland Islands specialised

Stefan Heijtz Falkland Islands specialised catalogue number: E2a

The card features two gold embossed crests on the front

upper marginal IMPERFORATE BLOCK OF 4 with IMPRINT and PLATE NUMBER 'OTTAWA-No

Great Britain 1884 10 shilling “Cobalt” on white paper

Great Britain 1911 6d bright magenta, SG296 King George VI stamps Stefan Heijtz Falkland Islands specialisedGreat Britain 1911 6d bright magenta (chalk surfaced paper), SG296. A superb unmounted mint, with full original gum, bottom right hand corner marginal example printed at Somerset House. A very rare King Edward VII stamp and seldom seen so fine and in this positional form. The ink used reacted with the chalky surface of the paper and caused a variation in the colour. As a consequence, the paper itself fluoresces bright lemon under long wave ultraviolet