cover General McClellan, portrait within ornate overall design with 'Liberty and Union' mottos (Walcott #354) in red and blue on soldier's stampless patriotic cover to Penn., ms. 'soldier's letter' and Chaplain's endorsement, 'Philadelphia Pa Mar 10, 1862' c.d.s., 'Ship' and 'Due 3' h.s., minor edge wear, otherwise very fine photo