Watch List notes:

Postumus. Romano-Gallic Emperor, A.D. 260-269. BI antoninianus (20 mm, 3.11 g, 6 h). Treveri, A.D. 261. IMP [C POS]TVMVS P F AVG, radiate, draped and cuirassed bust right / [L]AETITIA [A]VG, galley left. RIC 73; AGK 41; RSC 167a. VF, minor porosity.