Severus Alexander (222 - 235) Bronze. 11.39 g. of Samos, Ionia.

AVT K M AVR ALEXANDROC, laureate, draped, cuirassed bust right.
SAMIWN, warrior walking right, looking back, holding shield,
foot on prow. 

BMC 278. 

Courtesy of Helios Auction 5, June 2011