Valerian I, AE20 of Parium, Mysia.

IMP VALERIAN.., radiate, draped, cuirassed bust right.
DEO AESC SVB, C G I H P A below, Asklepios wearing himation, 
seated right on throne; raising with hand the forefoot of bull standing left before him.

Mabbott Coll. 1310; ANS 100.43146; Isegrim -.

From Dane's collection, ex Tony Owens with thanks, Nov. 2011.