Watch List notes:

Marcus Aurelius (Caesar, 139-161). Æ Sestertius (34mm, 25.36g, 11h). Rome, 152-3. Bareheaded and draped bust r. R/ Minerva, helmeted and draped, seated r., holding vertical spear and drawing out aegis on breast; round shield rests against seat. RIC III 1309b (Pius). Green patina, cleaning marks, light scratch on obv., about VF