Watch List notes:

Probus (276-282), Antoninianus, Rome, c. AD 276-282; BI (g 3,69; mm 22; h 6); IMP C PRO - BVS AVG, radiate, helmeted and cuirassed bust l., holding spear and shield, Rv. ROMA AETERNAE, Roma seated in temple; in ex. RΓ. RIC 194; C 549.
Traces of silvering, extremely fine.