Severus Alexander, AE27 of Juliopolis, Bithynia.

M AYR CEYH ALEXANDROC, laureate head right.
IOYLIOPOLEITWN, Zeus seated left, holding thunderbolt and sceptre.

Waddington, RecGen 41. 
Rare.

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