1862 (1864) George B. McClellan / Monitor Campaign Medal. DeWitt-GMcC 1864-24, Schenkman MO-19. Copper. MS-64 (PCGS). 28 mm. Beautiful satin surfaces exhibit vivid orange-brown reverse toning, warmer autumn and pale olive patina on the obverse. Both sides are boldly defined and carefully preserved. Cracked reverse die with a prominent rim cud at 11:30.