Watch List notes:

Divus Antoninus Pius. Died AD 161. AR Denarius (2.2 g, 18.05 mm).
Commemorative issue. Rome mint. Struck under Marcus Aurelius and Lucius Verus, AD 162.
Bare head right /
DIVO PIO, rectangular altar, with horns on top, and door in front.
RIC III 441 (Aurelius); MIR 18, 47/4-10; RSC 357
Very Fine