American politician, abolitionist, and education reformer (1796–1859). Handwritten free-franked panel, 5 x 3, addressed in Mann’s hand to “Miron J. Hareltine, Esq. in Lowell, Massachusetts,” and franked in the top right corner, “Free, Horace Mann, MC.” In very good condition, with a few light diagonal folds, one lightly affecting the signature, scattered creasing, uniform toning, a few spots of foxing, a faint pencil notation in another hand, and paper loss to the top left corner. RRAuction COA.