(London), 8 Argyle St, Monday March 15, no date. Autograph note, signed by Irving, presumably to his publisher John Murray: "Mr. Washington Irving accepts/with great pleasure the invitation/of Mr. & Mrs. Murray to dinner/on Wednesday March 31..." 16 1/8 x 9 in. (41 x 22.8 cm). In frame, with an engraved portrait of Irving.