Severus Alexander, as Caesar, AE15 of Thyateira, Lydia. AD 221-222. 

ALEXANDROC, bare-headed, draped bust right.
QYATEIRHNWN, Nike walking left, holding wreath and palm branch.

SNG Cop 629; Mionnet IV, 989; Paris 1545; SNG Munich 671; Johnston Sardis 325.

Courtesy of the Bibliotheque Nationale, Paris, gallica.bnf.fr.