Watch List notes:

Marcus Aurelius. AD 161-180. Æ Sestertius (31mm, 24.44 g, 12h). Rome mint. Struck AD 172. Laureate head right / Mars advancing right, holding inverted spear, leaning on shield. RIC III 1042; MIR 18, 231-6/30; Banti 144. Near VF, dark brown patina with traces of green and red.