Egypt. Alexandria. Marcus Aurelius, 161-180. Diobolos (Bronze, 24.52 mm, 10.83 g) dated RY 20 (= 179-180) [Μ ΑΥΡΗΛΙΟϹ] ΑΝΤωΝΙΝΟϹ ϹЄ Laureate head of Marcus Aurelius right. Rev. Serpent Uraeus erect right, crowned with disk and horns, to ears of grain to left and right within the coils of the serpent, L K (date) across fields. RPC IV.4, 3365 (this coin). Dattari-Savio 3602. Emmett 2261. Light-brown tone, minor flan die splits, otherwise, About Very Fine. Ex Giovanni Dattari Collection, 3602. Ex Frank Sternberg, Zürich, October 1982. Precious bronze diobol issued by Marcus Aurelius in his twentieth and last year of reign (179-180 AD), probably on the occasion of his vicennalia, as wished by the benign and beneficent Agathodaemon appearing on the reverse. In addition to coming from the celebrated Dattari collection, it is a unique specimen as attested by RPC IV.4.3365.