Bronze as, 28mm, 11.15gm, issued AD 37/38 Rome mint.
Obv: C CAESAR AVG GERMANICVS PON M TR POT, Bare head left.
Rev: VESTA S C, Vesta, veiled and draped, seated left on throne with ornamented back and legs, holding patera and transverse sceptre.
References: Sear 1803, RIC 38.