1910-13 Perforation 15 1s. black and pale turquoise-blue, RSC 'F',

marginal block of 4 from the upper left corner of the sheet, Position NG1-2/6-7, NG2 with a dot in the left margin, the frames are pure blue without any greenish content, a few toned perforation tips at the right, the stamps are unmounted original gum. A VERY RARE BLOCK.

PROVENANCE

The 'County' Collection, November 2003