Watch List notes:

Gaius (Caligula), with Germanicus, 37-41. Denarius (Silver, 19 mm, 3.77 g, 6 h), Lugdunum, 37. C CAESAR AVG GERM•P•M•TR•POT• Bare head of Gaius to right. Rev. GERMANICVS•CAES•P•C•CAES•AVG•GERM Bare head of Germanicus to right. BMC 13. Cohen 4. Giard 165. RIC 12. An attractive example with two expressive portraits. Minor marks, otherwise, very fine.