Trebonianus Gallus, 251-253. Antoninianus (21mm, 3.6 g), Antiochia, 251-252. IMP C C VIB TREB GALLVS P F AVG Radiate, draped and cuirassed bust of Trebonianus Gallus to right. Rev. ROMAE AETERNAE AVG Roma seated left, holding Victory in her right hand and spear in her left; at her side, shield