Trebonianus Gallus, AR Antoninianus, 251-253, RomeIMP CAE C VIB TREB GALLVS AVGRadiate, draped, cuirassed bust right, seen from behindLIBERTAS AVGGLibertas standing facing, head left, pileus in right hand, scepter in left, legs crossed and leaning on column with left arm21mm x 22mm, 3.65g