Watch List notes:

Postumus. Romano-Gallic Emperor, A.D. 260-269. AR antoninianus (21 mm, 3.35 g, 12 h). Treveri, A.D. 268. IMP C POSTVMVS P F AVG, radiate, draped and cuirassed bust of Postumus right / PAX AVG, Pax standing facing, head left, holding olive-branch and scepter. RIC 318; Mairat 154; AGK 52a; RSC 215b. Extremely fine.