Watch List notes:

Denarius circa 206-195, AR 3.37 g. Helmeted head of Roma r.; behind, X. Rev. The Dioscuri galloping r.; below, sow r. and ROMA in partial tablet. Sydenham 252. Crawford 121/2.
Very rare. Reverse slightly off-centre, otherwise good extremely fine

Ex Sternberg XXI, 1988, 241 and NAC 73, 2013, Student and his Mentor part II, 38 sales.