Watch List notes:

Antoninus Pius BI Tetradrachm of Alexandria, Egypt. Dated RY 20 = AD 156-157. ANTωNINOC CЄB EVCЄB, laureate and draped bust right / Athena of Sais standing right, holding spear and owl; behind, shield set on ground. Emmett 1370; Dattari (Savio) 8114. 13.67g. 22mm, 11h.

Very Fine. Very Rare; no other examples on CoinArchives.