Severus Alexander AE of Nicaea, Bithynia. 4.47 g. 

M AVR ALEXANDROC K, bare-headed, cuirassed bust right.
NIKAIEWN, Zeus seated left, holding patera and sceptre. 

RecGen 580-582 var (obv legend); Duesseldorf 00422 var (ditto)

Courtesy of Helios Auction 5, June 2011