Watch List notes:

Roman Imperial. Gaius (Caligula), with Agrippina Senior. AD 37-41. AR "Denarius" by Carl Wilhelm Becker (1772-1830) (18.5mm, 2.94 g, 6h). Laureate head of Gaius (Caligula) right, Draped bust of Agrippina Senior right. Hill, Becker 152 (for obv. type); cf. BMCRE 15. Attractive toning. EF.