June 2016 Society Auction
Lot 45. #C404. Proof, a "Proof by the Format Process" as prepared by Format
International Security Printers Ltd., London, England. Size of card 125 x 95 mm. Some minor foxing is evident on the border of
the stamp, which was probably caused by the gum used. (Foxing is a condition which appears with reddish-brown stains, similar in
appearance to the color of a rust stain.) VF condition otherwise.