Watch List notes:

Gaius (Caligula), with Agrippina Senior. AD 37-41. AR Denarius (19mm, 3.35 g, 5h). Lugdunum (Lyon) mint. C • CAESAR • AVG • GERM • P • M • TR • POT •, bare head of Gaius (Caligula) right / AGRIPPINA • MAT • C • CAES • AVG • GERM, draped bust of Agrippina right. RIC I 8; Lyon 162 (unlisted dies); RSC 4 (Caligula and Agrippina Senior); BMCRE 8; BN 12-13; Mazzini 4 (Agrippina and Caligula). Iridescent toning over lustrous surfaces. Near EF. A pair of attractive portraits.

From the Thomas A. Palmer Collection. Ex Berk BBS 68 (13 November 1991), lot 272.