Silver, 3.15 grams, 18.13 mm. Lugdunum. AD 37 - 38. Obverse: C CAESAR AVG GERM P M TR POT; bare head of Caligula right. Reverse: AGRIPPINA MAT C CAES AVG GERM; draped bust of Agrippina right. RIC 14; RSC 2; RCV 1825. Good very fine.