Watch List notes:

Gaius Caligula. A.D. 37-41. AE as (10.86 g). Rome mint, struck A.D. 37-38. C CAESAR AVG GERMANICVS PON M TR POT, bare head left / VESTA, S-C, Vesta seated left, holding patera and scepter. RIC 38; BMCRE 46. NGC F 5/5, 2/5, thick, olive patina.