Rare free-franked transmittal envelope, 5.5 x 3, addressed in Lincoln's hand to "Hon. S. L. Casey, National Hotel," and franked in the upper right corner, "A. Lincoln." Archivally triple-matted and framed with a portrait of President Lincoln to an overall size of 17.75 x 22.75. In very good to fine condition, with light soiling and two vertical folds. Samuel L. Casey was a Kentucky congressman who served as the eighth treasurer of the United States during the Pierce and Buchanan administrations. Following his retirement in 1863, he entered the mercantile business, with research showing that he corresponded with President Lincoln in regard to the transportation of cotton from Louisiana.Format: Free Frank