Severus Alexander AE28 of Prusa ad Olympum, Bithynia. AD 222-235. 11.39 g.

M AYR CEY ALEXANDROC AYG, laureate, draped and cuirassed bust right.
PROYCAEWN, draped bust of Zeus or Prusas right, hair bound in a taenia. 

RecGen 137 (1-2); Paris 1540-1541; Mionnet II 404.

With permission of Numismatik Naumann auction 48, Lot 348, Nov. 2016.