Watch List notes:

Trebonianus Gallus. A.D. 251-253. AR antoninianus (22.9 mm, 2.77 g, 11 h). Rome mint, struck A.D. 252. IMP CAE C VIB TREB GALLVS AVG, radiate, draped and cuirassed bust right / LIBERTAS AVGG, Libertas standing left, holding pileus and scepter; star in right field. RIC 38; RSC 63a. aVF.