This four-pound capacity leather and brass powder flask belonged to First Sergeant Mathew Marvin of Company K, 1st Minnesota Volunteer Infantry Regiment. Marvin, of Winona, Minnesota, served with the 1st Minnesota from 1861 until 1864. He fought, and was wounded, in the Battles of First Bull Run and Gettysburg.
Fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania between Union and Confederate forces during the American Civil War. The battle involved the largest number of casualties of the entire war and is often described as the war's turning point. Union Maj. Gen. George Gordon Meade's Army of the Potomac defeated attacks by Confederate Gen. Robert E. Lee's Army of Northern Virginia, ending Lee's invasion of the North.