Watch List notes:

Sex. Pompeius Fostlus, Denarius, Rome, 137 BC; AR (g 3,97; mm 19; h 12); Helmeted head of Roma r.; behind, jug; before, X, Rv. She-wolf r., suckling twins; behind, ficus Ruminalis; on l., Faustulus identified by legend F - OSTLVS; on r., SEX PO; in ex. ROM[A]. Crawford 235/1c; Pompeia 1; Sydenham 461a.
Lustrous, good extremely fine.