Watch List notes:

Postumus. Romano-Gallic Emperor, A.D. 260-269. BI antoninianus (19.5 mm, 3.40 g, 1 h). Treveri mint, struck A.D. 268. IMP C POSTVMVS P F AVG, radiate, draped, and cuirassed bust right / PAX AVG, Pax standing left, holding branch and scepter. RIC 318; AGK 52a; RSC 215a. Good VF.