Commodus, AE24 of Anchialus, Thrace. 177-180 AD. 

Obv: AY KAI M AY KOMODOC, bare-headed, draped, cuirassed bust right.
Rev: AGXIALEWN, Dionysus standing front, emptying kantharos 
with right hand; behind him, naked satyr standing left, 
holding thyrsus in left hand. 

This type is known for Marcus Aurelius as Caesar and 
Faustina II at Anchialus: Varbanov 70 resp. 89. Apparently 
unpublished for Commodus: not in AMNG, RPC online, Varbanov, 
Berk photofile. VF.
Ex Dr. Stephen Gerson Collection. Purchased from Freeman & Sear.

Gemini Numismatic Auction #6, January 10, 2010, lot 627