Antoninus Pius, AE tetradrachm of Alexandria, Egypt. Dated year 18, AD 154-155 AD. 22.5 mm, 10.47 g. ANTWININOC CEB EVCEB, laureate head right. L-IH across fields, draped bust of Sarapis right, wearing kalathos and taenia. Dattari 2354; Dattari-Savio 8249 (this coin), Milne 2272. Contributed by Giancarlo Lovato, April 2023.