Antoninus Pius and Marcus Aurelius, AE of Gadara. dated Year 223, 159- 160 AD. 7.59 g. 

ANTWNEI KAICAR, laureate head of Antoninus Pius right.
GADAREWN GKC, bare head of young Marcus Aurelius right. 

RPC online 6661. Spijkerman 33. SNG ANS 1307

Courtesy of Helios Auction 5, March 2011