Watch List notes:

Gaius (Caligula). AD 37-41. Æ As (28.5mm, 11.09 g, 6h). Rome mint. Struck AD 37-38. Bare head left / Vesta seated left on ornamental throne, holding patera and scepter. RIC I 38. Fine, green patina, loss of patina on reverse, some roughness, cleaning scratches on reverse.