Bronze dupondius, 27mm, 13.27gm, issued AD 152/153 Rome mint.
Obv: ANTONINVS AVG PIVS PP TRP XVI, Head of Antoninus Pius, radiate, right.
Rev: LIBERTAS COS IIII S C, Liberitas, standing right, holding pileus and extending left hand.
References: see Sear 4279, RIC 908.
Some roughness of reverse.