Watch List notes:

Denarius, South Italy or Sicily after 211, AR 3.96 g. Helmeted head of Roma r.; behind, X. Rev. The Dioscuri galloping r.; below, ROMA in linear frame. Sydenham 229. RBW –. Crawford 53/2. Brinkman-Debernardi Group 20 and 53/2.17 (this coin illustrated).
Of attractive style and with an iridescent tone. Hairline flan crack at nine
o'clock on reverse, otherwise about extremely fine

Ex NAC sale 25, 2003, 246.
This variety is not illustrated in the RRC plates. The sibling series of this specimen could be the cornucopiae (first). (Crawford 58/2).