ANTONINUS PIUS, A.D. 138-161. Egypt, Alexandria. AE Drachm, dated RY 21 (A.D. 157/8). ANACS VF-35. Dattari (Savio)-8580; K&G-35.752 var. (same); Emmett-1593.21. Obverse: Laureate bust right, with slight drapery; Reverse: Isis-Sothis seated facing, head right, holding cornucopia and scepter, riding dog (Sirius or Sothis) right; the dog is looking back at Isis; L KA (date) below. A fairly <strong>RARE</strong> and seldom encountered type, this example does exhibit a few edge splits and some cleaning to the surfaces, but nevertheless retains solid overall detail.