Watch List notes:

Roman Empire. Postumus. Antoninianus AR circa 266-267 AD, Treveri.
Obv. IMP C POSTVMVS P F AVG - radiate, draped and cuirassed bust right.
Rev. MERCVRIO FELICI - Mercury standing facing, head right, holding purse and caduceus.
Catalogue references: RIC.313 - Mairat.344 - Elmer.413
3,75 g - 20,5 mm - Very Fine / TTB