Claudius AE20 of Cassandrea, Macedonia, 41-54 AD. 

Obv: TI CLA CAES AVG GERM P M TR P, laureate head left.
Rev: COL IVL AVG CASSANDR, horned head of Zeus-Ammon right. 

RPC 1515; BMC 4; SNG Cop 147.

Courtesy of sharoncoins, Dec. 2010