1839 Treasury Competition 'Harwood Envelope' Essay. In brown, address panel with black eight-line imprint 'SPECIMEN OF ENVELOPE, STAMP AND ADHESIVE LABEL, SUGGESTED BY CHARLES WHITING TO THE LORDS OF HER MAJESTY'S TREASURY, As exemplifying his suggestions for carrying out the mechanical requirements of a CHEAP Postage', printed on the back is Whiting's 'PAID' embossed essay in pale blue at upper left and the Beaufort House square essay on red & blue at upper right. Some usual creases & peripheral edge nicks, still a fine example of this rare 1839 Treasury Competition essay. (Image)