Great Britain 1909 ½d yellow green, SG218b var Gambia stamps Very rare sheets in this

Very rare sheets in this form including 9p black and green

Provenance: ex De La Rue archives (Robson Lowe Bermuda 15/2/79

The drawing

upper right stamp variety No stop after "O" (R2/1)

Great Britain 1909 ½d yellow green, SG218b var Gambia stamps Very rare sheets in thisOne of the great rarities of GB philately with only 13 known examples, this being the only known surviving multiple and therefore unique. Great Britain 1909 d yellow green, SG218b var. A superb unused, with original gum, bottom marginal block of four from positions R. 20 3 4 showing variety doubly printed from control H9. Most importantly, the printing varieties are unmounted mint. One of the great rarities of GB philately with only 13 known examples,