Augustus AE24 of Apamea, Bithynia. 

AVGVSTVS IMP C I C, Bare head of Augustus right
C L CAESARES AVG F, Bare heads of Caius and Lucius right. 

RPC 2010A
Rare, only two specimens cited in RPC. 

Used with permission of CNG (cngcoins.com), July, 2009