[AUTOGRAPHS]. CLEMENS, SAMUEL LANGHORNE ("Mark Twain"). Signature ("Mark Twain") on a calling card, n.p., n.d., one page, a small oblong; COOPER, JAMES FENIMORE. Printed check accomplished and signed ("J.Fenimore Cooper"), Cooperstown, 5 September l842, one page, an oblong, drawn on the Otsego County Bank, for $30 in favor of E.F. De Lancy -- GEORGE III, King of England. Engraved document signed ("George R"), St. James's [London], 3 May l799, one page, oblong 4to, on parchment, blue paper tax stamp at left, the ink a bit pale, accomplished in manuscript, promoting L.J. Curtis to Lieutenant in the Loyal Islington Corp of Volunteers, raised in the parish of Islanington, London -- WELLINGTON, ARTHUR WELLESLEY, First Duke.Printed check accomplished and signed ("Wellington"), London, 22 February 1828, one page, an oblong, drawn on Messrs. Coutts & Co., bankers, in the amount to L 420 in favor of "the Duchess of Wellington"; together four items, each professionally matted with an engraved portrait, glazed and in various giltwood frames (by Goodspeed's). Unexamined out of frames. (2)