Britannicus, AE of the Koinon of Crete and Cyrenaika, Gortyn mint (?), 9.71 g. 

TI KLAUDIOS GERMANIKOS, bare head left.
KLAU OKTAIA KLAU A[NTWNIA], jugate, draped busts of
Octavia and Antonia right. 

RPC 1033; BMC 12.

Courtesy of Helios Auction 5, June 2011