Watch List notes:

Faustina I, Wife of Antonius Pius (circa 138-139 AD). Rome
AR Denarius (16.7mm 3.5g)
Obv: FAVSTINA AVG ANTONINI AVG P P. Draped bust right, wearing pearls bound on top of her head
Rev: CONCORDIA AVG. Concordia seated left, holding patera and resting arm on back of chair.
RIC III 327 (Pius)