Watch List notes:

Trebonianus Gallus. A.D. 251-253. AR antoninianus (24.1 mm, 4.78 g, 1 h). Rome mint, A.D. 252. IMP C C VIB TREB GALLVS AVG, radiate, draped and cuirassed bust right / PAX AETERNA, Pax standing left, holding branch and transverse scepter. RIC 7; RSC 76. VF, oval flan.