Great Britain 1836 Background Trial, SGDP9b.
A very fine reprint of the original plate as produced for assessing the engine-turned design background for the forthcoming 1d black and 2d blue adhesives. Printed in purple on white wove paper.
Very scarce in this colour.
SG Catalogue Value: £1,500+.
The engine-turned background finally selected for the stamps was obtained from a roller Perkins & Heath had used for the central band of a design, created for the reverse side of a specimen bank note. They has originally submitted the design in 1822 to the Bank of England with the view to obtaining a contract for printing its notes.