Severus Alexander, AE29 of Philadelphia, Lydia. 222-235. 
Magistrate Jul. Ariston Julianus. 11.48 gr.

AYT K M AYR CEYH ALEZANDROC, laureate, draped and cuirassed 
bust right, countermark; digamma (6 assaria).
EPI IOYL ARICTO IOYLIANOY FL FILADELFEWN NEWKOR, horse 
pacing right with a coiled serpent with head raised right 
and tongue protruding, on its back.

Mionnet IV, 589: Paris 1015; BMC 98 (without countermark).

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