HEATH, Sir Edward, letters, autographs, documents, manuscripts Home | Archive | Facsimiles | Forgeries | Back HEATH, Sir Edward (b.1916). Prime Minister 1970-1974. Signature on a white card embossed with the House of Commons portcullis, ca 90 x 140 mm (3½ x 5½ inches). [No: 7013] This is the archived description of an item that has already been sold. Please contact me if you would like any further intormation.