Trebonianus Gallus (251-253) AR Antoninianus (Silver, 4.84g, 20mm) 251-253, Antioch
Obv: IMP C C VIB TREB GALLVS P F AVG, radiate, draped and cuirassed bust right,
Rev: ADVENTVS AVG, Trebonianus on horseback left, raising right hand and holding sceptre
Ref: RIC 79