essay Sheet affixed with six different embossed oval essays by Wyon and Whiting, four being in black, one in brown and the other in blue, ink annotation alongside each in Charles Whiting's handwriting such as "Mr. Wyons head and legend. Our notion of the engine turned pattern to look like", "Our head and engine turning. Suited to the Stamp Office Machinery", "Mr. Wyon called on the 17 March to say the die should be altered to be made smaller", etc., mounted in a sunken frame. Photo in colour