Watch List notes:

Postumus. Romano-Gallic Emperor, A.D. 260-269. BI antoninianus (22.4 mm, 3.07 g, 7 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. EF, Very accurate and razor sharp portrait. 

Ex John Haer Collection; Ex Beast Coins.