United States--History--Civil War, 1861-1865; Postal service--United States--History; Covers (Philatety)--United States--History; Patriotic envelopes; McClellan, George Brinton, 1826-1885
Portrait of Maj. General McClellan, Commander of the Federal Forces, on the Potomac. Printed by J. G. Wells, Park Row & Beekman St., N.Y.