Bronze as, 28mm, 10.88gm, issued AD 41-50 Rome mint.
Obv: TI CLAVDIVS CAESAR AVG PM TRP IMP, Bare head left.
Rev: CONSTANTIAE AVGVSTI SC, Constantia standing left, holding spear and raising right hand.
References: Sear 1859, RIC 95.
This coin fits the following collection focus(es): Twelve Caesars.