Trebonianus Gallus (251-253), Antoninianus ,Rome, AD 251-253, AR, (21mm, 5.0 g). IMP CAE C VIB TREB GALLVS AVG, radiated, draped and cuirassed bust r., Rv. LIBERTAS AVGG, Libertas standing l., holding pileus and sceptre; in r. field, star.