Watch List notes:

The Collection of Roman Republican Coins of a Student and his Mentor Part III

Denarius circa 207, AR 3.96 g. Helmeted head of Roma r.; behind, X. Rev. The Dioscuri galloping r.; above, crescent and below, ROMA in partial linear frame. Sydenham 265. Kent-Hirmer pl. 10, 26 (this coin). Crawford 57/2.
Wonderful iridescent tone and good extremely fine
Ex Sternberg sale XI, 1981, 435.