Severus Alexander, AE of Istros, Moesia Inf. Pentassarion, 22.64 g. 

AVT K M AVR CEB ALEXANDROC, laureate, draped, cuirassed bust right.
ICTRIHNWN, Mitras, bearded, kalathos on head, riding right,
altar before, eagle on column or tall tripod altar behind, E below. 

AMNG 516 var. Varbanov 666 var (obv with AVRH). Moushmov 191 var.  

With permission of Helios Auction 5, June 2010, lot 356-
Added in Aug. 2011.