Civil War-dated ALS signed “Phil. H. Sheridan,” one page, 5 x 8, December 17, 1864. Handwritten letter to "Brig. Genl. Stevenson, Harpers Ferry," in full: "I want you to give Genl. Thomas one hundred guns for his…brilliant victory on the 16th." In fine condition. Encapsulated in a PSA/DNA authentication holder.