Watch List notes:

Claudius. AD 41-54. Æ As (29mm, 12.13 g, 6h). Rome mint. Struck AD 42-43. Bare head left / Libertas standing right, holding pileus and extending left hand. RIC I 113; von Kaenel Type 77. Green-brown surfaces, some coppery highlights because of smoothing and tooling. Fine.