Wife of President William McKinley and First Lady from 1897 to 1901. Free franked envelope, 5.25 x 3.5, signed at the upper left corner “Mrs. Ida S. McKinley” and addressed in another hand to Burrows Brothers Stationery, Cleveland, postmarked Canton, Ohio, March 13, 1902. In fine condition, with mild toning and soiling, and neat trimming to two edges. R&R COA.