Caligula (37-41), Denarius, c. 37-8, Lugdunum, laureate head right, rev. agrippina mat c caes avg germ, draped bust of Agrippina right, 3.69g/11h (RIC 8; CBN 12; RSC 4). Reverse legend partly weak, otherwise good fine, very rare (£1,200-1,500)