Watch List notes:

BITHYNIA. Nicomedia. Marcus Aurelius, as Caesar, 138-161. (Bronze, 24 mm, 11.34 g, 6 h). ΑVΤ Κ Μ ΑYΡ ΑΝΤΩΝΙΝOC Bare-headed, draped and cuirassed bust of Marcus Aurelius to right. Rev. ΜΗΤΡO ΝEΩ ΝEΙΚΟΜΗΔ Poseidon, nude, standing right, resting left foot on prow of galley, holding trident in right hand and dolphin in left. RPC IV.1 Online temp. 11763. Extremely rare - only one specimen listed in RPC Online. Bluish-green patina. Very fine.