Watch List notes:

Postumus (The Gallic Empire, 260-269), Sestertius, Lugdunum, AD 261; AE (g 25,78; mm 32; h 6); IMP C POSTVMVS P F AVG, Laureate, draped and cuirassed bust r., Rv. P M TR P COS II P P, Postumus standing l., holding globe and spear. RIC 107; Bastiene 59a.
Green patina, about extremely fine.