Antoninus Pius, AE tetradrachm of Alexandria, Egypt. 24mm, Dated year 5 (141-142 AD). 

ANTWNINOC EY CEB (from top right), laureate, draped, and 
cuirassed bust right, seen from behind.
Artemis advancing right, holding bow in left hand, drawing 
arrow from quiver with right; LE in left field. 

Köln 1364. Dattari 2151. Milne 1705. Emmett 1362/5. 
RARE. VF.
 
With permission of John Jencek Ancient coins, auction August 2012, Lot 081.