Watch List notes:

Marcus Aurelius. As Caesar, AD 139-161. AV Aureus (19.5mm, 7.06 g, 6h). Rome mint. Struck under Antoninus Pius, AD 159-160. Bareheaded bust right, slight drapery / Mars advancing right, holding spear and trophy over shoulder. RIC III 481a (Pius); Calicó 1973 (same dies as illustration). VF, a few faint hairlines.