Caligula, AE of Magnesia ad Sipylos, Lydia. 37-41 AD. 4.25 g. 

GAION KAISARA CEBACTON. radiate head right. 
GERMANIKON KAI AGRIPPINAN, Germanicus, veiled, standing facing;
to right, Agrippina as Demeter standing left, holding corn-ears
and sceptre. 

RPC 2454; BMC 49.

Courtesy of Helios Auction 5, June 2010, lot 809.