Severus Alexander, AE26 of Edessa, Mesopotamia.

AVT K M A CEV ALEXANDROC C, laureate, draped and cuirassed bust right.
MHT K EDECCHNwN, Tyche seated left on rock, holding 
patera over a lighted altar, at her feet, river-god Scyrte 
swimming in waves.

Babelon 70 var (legends); BMC 103 var (ditto); Chaix 947 (ditto)

Contributed by Cameron Day, cerberuscoins.com, Apr. 2015