Severus Alexander Æ 27mm of Cappadocia, Caesarea. Year 1 = 222 AD. 
AV K M AVP CEV ALEXANDPO, radiate, draped and cuirassed bust right
MHTROP KAICAPI, Agalma of Mount Argaeus on altar inscribed ET A.

Sydenham 534 var (radiate bust)

Contributed by "diyapolis" of the Forvm Ancient Coins, June 2010.