Watch List notes:

Postumus. Gallic Emperor, A.D. 260-269. AR antoninianus (21.8 mm, 3.67 g, 7 h). Treveri mint, Struck A.D. 268. IMP C POSTVMVS P F AVG, radiate and draped, bust right / PAX AVG, Pax standing left, holding branch and scepter. RIC 318; RSC 215a. EF.