Watch List notes:

Postumus, Romano-Gallic Emperor, 260-269. Double Sestertius (Orichalcum, 34 mm, 19.89 g, 11 h), Cologne, 261. IMP C M CASS LAT POSTVMVS P F AVG Radiate, draped and cuirassed bust of Postumus to right. Rev. LAETITIA / [AVG] Small galley, a navis lusoriae with four oarsmen and a steersman, rowing to left. Bastien 87. RIC 143. Light deposits, otherwise, very fine.