Antoninus Pius (138-161). Egypt, Alexandria. BI Tetradrachm (23mm, 13.00g), year 17 (AD 153/4). Laureate head l. R/ Eirene standing l., holding two ears of corn and caduceus. RPC IV.4 1465 (3 specimens); Dattari (Savio) Suppl pl 14, 8. Very Rare, near VF