Watch List notes:

Postumus, Usurper in Gaul, 260-269. Antoninianus (Silver, 21 mm, 3.59 g, 1 h), Treveri (Trier), 268. IMP C POSTVMVS P F AVG Radiate, draped and cuirassed bust of Postumus to right. Rev. PAX AVG Pax standing front, her head turned to left, holding an olive branch in her right hand and a transverse scepter in her left. AGK (corr.) 52a. Cunetio 2450. Elmer 565, 567. RIC 318. Well centered and struck. Reverse die slightly worn, otherwise, about extremely fine.