Watch List notes:

Postumus (The Gallic Empire, 260-269), Double Sestertius, Colonia, c. AD 261; AE (g 20,90; mm 30; h 7); IMP C M CASS LAT POSTVMVS P F AVG, radiate, draped and cuirassed bust r., Rv. LAETITIA, galley r., with four rowers and steersman; below, AVG. RIC 143 (Lugdunum); C 177; Bastien 87.
Traces of cleaning, about extremely fine / good very fine.