Watch List notes:

Postumus (259-268). BI Antoninianus, Treveri mint. Obv. IMP C POSTVMVS PF AVG. Radiate, draped and cuirassed bust right. Rev. VIRTVS AVG. Mars standing right, holding spear and shield. RIC V 93. BI. 4.74 g. 21.00 mm. A choice example. Superb portrait, toned silvering, with warm hues. About EF.