Watch List notes:

Trebonianus Gallus. AD 251-253. AR Antoninianus. (3.6 g, 20.96 mm)
Mediolanum.
IMP C C VIB TREB GALLVS AVG, radiate, draped and cuirassed bust right, seen from behind./
PAX AETERNA, Pax standing left, holding branch and transverse sceptre.
RIC 71
Very Fine