Bronze tetradrachm, 22.5 grams.

Mint: Alexandria.

Date: ca. 149 CE.

OBV: Bust of Antoninus Pius, r., wearing pauludamentum; ΑΥΤΚΤΑΙΛΑΔΡ ΑΝΤWΝΙΝΟC CΕΒΕV.

REV: Isis Pharia, r., wearing horns, disk and plumes, in chiton and peplos, holding an inflated sail with both hands and left foot and a sistrum in right hand; in front, Pharos represented as a square tower, seen at an angle, surmounted by an open-latticed lantern; on summit of lighthouse, statue of Isis Pharia holding situla and scepter; a triton blowing buccinum on either side of lantern; ΔW Δ ΕΚΑ LVO (Year 12 = 148/149 CE).

Bibl.: J.G. Milne. Catalogue of Alexandrian Coins, University of Oxford Ashmolean Museum (Oxford 1933) nos. 2001-2010.