Rare antoninianus with the legend ADVENTVS AVG on the reverse.
Roman Imperial
Trebonianus Gallus (251-253), Antoninianus 251-253, Antioch mint
Obverse: radiate, draped and cuirassed bust right
IMP C C VIB TREB GALLVS P F AVG
Reverse: Trebonianus on horseback left, raising right hand and holding sceptre, one pellet in exergue
ADVENTVS AVG
Weight 3.8 g