Image rights: wildwinds.com

Marcus Aurelius AE 30mm of Augusta Traiana, Thrace. 

AY KAI M AYRE ANTWNEINOC, cuirassed bust right.
HGE TOYL MAXIMOY AYGOYCTH TRAINANHC, River-god reclining left, holding a branch and leaning upon urn from which waters flow.

Varbanov 868; Moushmov 2979.