Troas, Alexandria. Trebonianus Gallus, AD 251-253. AE. 4.00 g. 24.60 mm. Obv: IMP VIVI TREBO GALLVS. Laureate, draped and cuirassed bust of Gallus, right. Rev: COL AVGO, TROA. Horse grazing, right. Ref: Bellinger A405; RPC 424. Good Very Fine.