Watch List notes:

Trebonianus Gallus (251-253). AR Antoninianus, Mediolanum mint. Obv. IMP C C VIB TREB GALLVS AVG. Radiate, draped and cuirassed bust right. Rev. LIBERTAS PVBLICA. Libertas standing left, holding pileus and sceptre. RIC 70. C. 68. AR. g. 3.79 mm. 23.00 Perfectly centred on broad flan. Brilliant and superb. EF.