Watch List notes:

BITHYNIA. Nicaea. Marcus Aurelius, 161-180. Tetrassarion (Bronze, 29 mm, 16.27 g, 1 h), circa 161-162 (?). AY K M AYP ANTΩNINOC CЄ Bare-headed and draped bust of Marcus Aurelius to left. Rev. NIKAIЄωN Herakles, wearing lion's skin, advancing right, carrying Erymanthian Boar over his left shoulder. RG 160 = RPC online 5928. Extremely rare, apparently only the second known example. With a beautiful green patina. Good very fine.