Severus Alexander AR Denarius. Antioch. 

IMP C M AVR SEV ALEXAND AVG, laureate draped bust right
LIBERTAS AVG, Libertas standing left, holding pileus and sceptre.
 
RIC 286; C.147 (3f.); BMC 1036

With permission of TimeLine Auctions (www.timelineauctions.com), August, 2014