10 Pounds 1964 Proof of P. 22. This Proof was produced by Bradbury & Wilkinson for testing the colors of the very rare 10 Pounds issue of 1964. The back side is printed in complete color with intaglio print, the front side only shows the offset underprint. There is a residual from attachment to presentation card at the left part of the front, the back side shows printers annotations at upper border. Perforated "Specimen". Coniditon: VF+ with paper residuals on front.