Caligula, AE of Amorion, Phrygia. 37-41 AD. 6.39 g. 

GAIOS KAISAR, bare head right. 
EPI SILOUANOU KAI IOUSTOU OUIYANIWN, eagle standing right on
club, caduceus in beak, AL monogram to right.

RPC 3235 var (monogram); Amorium Coin Finds D15..

With permission of Helios GmbH, Auction 5, June 2010, lot 894.