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Cdv of 4th/5th US Artillery Colonel Francis Newman Clarke. Major, 5th Artillery, US Army, brevet Lt. Colonel & Colonel.
Clarke was promoted to Captain in the 4th U.S. Artillery on July 15, 1852. After the start of the Civil War he was promoted to Major and transferred to the 5th U.S. Artillery on August 5, 1862 and fought in some of the major battles of the Army of the Potomac, including chief of artillery for Sumner's Corps during the battle of Antietam before becoming the CMO. He was appointed Chief Mustering Officer of Massachusetts on September 21, 1863.
Pencil id'd, Black & Case, Boston b/m. Wear as shown in the photograph.

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