Watch List notes:

Diva Faustina Senior (died 140/1). Æ As (26mm, 15.19g, 12h). Rome, c. 146/7-161. Draped bust r. R/ Ceres standing l., holding grain ears and torch. RIC III 1169 (Pius). Brown patina, roughness, near VF
Estimate: 30 GBP