Caligula and Germanicus. Aureus; Caligula and Germanicus; 37-41 AD, Lugdunum, 37-8 AD, Aureus, 7.57g. BM-18, Paris-27, C-1 (200 Fr.), RIC-17 (R2), Calicó-321. Obv: C CAESAR AVG GERM P M TR POT Laureate head of Caligula r. Rx: GERMANICVS CAES P C CAES AVG GERM Bare head of Germanicus r.Its unusual to find an aureus that has obviously circulated, but has no marks anywhere. VF