He would experience an accelerated political career befitting a member of the Julio-Claudian dynasty, with the Roman Senate allowing him to advance his career without first holding a questorship or praetorship, offices that ordinary senators were required to hold as part of the cursus honorum.
In 1 BC Gaius was given command of the eastern provinces, after which he concluded a peace treaty with King Phraates V of Parthia on an island in the Euphrates. Shortly afterward, he was appointed to the office of consul the following year in AD 1. The year after Gaius' consulship, Lucius died at Massilia in the month of August. Approximately eighteen months later, Gaius died of an illness in Lycia. He was married to his second cousin Livilla but they did not have children.
Reverse: Caius Caesar on horseback riding right, holding sword and reins; to left, aquila right between two signa; C•CAESAR / AVGVS•F
Die Orientation: -
Weight: 3.4 g
Reverse: Lucius Caesar and Caius Caesar facing, wearing toga, holding shield on the ground and spear, simpulum and lituus (b9) above; AVGVSTI F COS DESIG PRINC IVVENT / C L CAESARES
Die Orientation: -
Weight: 3.61 g
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Reverse: C L CAESARES AVGVSTI F COS DESIG PRINC IVVENT, Gaius and Lucius Caesar standing, each, wearing togas, resting hand on shield and spear, simpulum, right, and lituus, left, flanking, left and right respectively
Die Orientation: 4 H
Weight: 3.8 g
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Reverse: ΛΕVΚΙΩΝ, Bare head of Lucius facing right
Die Orientation: 12 H
Weight: 3.79 g