Watch List notes:

Postumus, Romano-Gallic Emperor, 260-269. Antoninianus (Billon, 21 mm, 3.39 g, 7 h), Cologne, 262. IMP C POSTVMVS P F AVG Radiate, draped and cuirassed bust of Postumus to right. Rev. VIRTVS AVG Mars standing front, head to right, holding spear with his right hand and resting his left on shield set on ground. AGK (corr.) 102. Cunetio 2400. Elmer 190. Struck from a slightly worn reverse die and with a thin flan crack, otherwise, about extremely fine.