[Mark Twain (Samuel L. Clemens)]. The Complete Works of Mark Twain. Author's National Edition. New York: Harper & Brothers Publishers, [circa 1910]. Promotional leaflet for a discounted (half-price) twenty-five volume set. Sixteenmo (5.5 x 3.25 inches; 140 x 85 mm.).  pages. Publisher's saddle-stapled binding, original self-wrappers with cover-title featuring Twain's portrait. Margins very faintly tanned; only a hint of trivial edgewear. Nearly fine. (#10210).