Watch List notes:

Postumus. Romano-Gallic Emperor, A.D. 260-269. BI antoninianus (21.3 mm, 4.12 g, 6 h). Treveri mint, struck A.D. 263-265. IMP C POSTVMVS P F AVG, radiate, draped, and cuirassed bust right / PROVIDENTIA AVG, Providentia standing left, holding globe and transverse scepter. RIC 80; AGK 69; RSC 295a. VF.