Watch List notes:

Marcus Aurelius as Caesar, (A.D. 161-180), AE sestertius, Rome Mint, issued A.D. 160-1, (25.91 g), obv. bare head of Marcus Aurelius to right, around AVRELIVS CAESAR AVG P II F, rev. around TR POT XV COS III, Mars advancing to right, carrying spear and trophy, (cf.S.4820, cf.RIC 1359a, C.779). Brown patination, nearly very fine well centred and very rare only one in Coin Archives.