Interesting aureus minted by Augustus with Caius Caesar on reverse.
Roman Imperial
Octavian Augustus (27 BC-14 AD), Aureus 8-7 BC, Lugdunum mint
Obverse: laurate head of August right
AVGVSTVS DIVI F
Reverse: Caius Caesar galloping right, C CAES above, in exergue AVGVS F
Gold, diameter 20 mm, weight 7.89 g