Watch List notes:

Postumus (The Gallic Empire, 260-269), Antoninianus, Lugdunum, AD 260-269; BI (g 3,23; mm 21; h 7); IMP C POSTVMVS P F AVG, radiate, draped and cuirassed bust r., Rv, HERC DEVSONIENSI, Hercules standing r., leaning on club an holding bow and lion's skin. RIC 64; C 92.
Minor flan crack, good very fine.