CALIGULA, A.D. 37-41. AR Denarius (3.69 gms), Rome Mint, ca. A.D. 37-38. BOLD VERY FINE.RIC-14. "C CAESAR AVG GERM P M TR POT", Laureate head of Caligula right; Reverse: "AGRIPPINA MAT C CAES AVG GERM", draped bust of Agrippina I right hair falling in plait down back of neck. Some alteration to the surfaces, a few light scratches present.From the William R. Biers Collection.