Watch List notes:

C. Scribonius C.f.. 154 B.C. AE quadrans (18.2 mm, 3.23 g, 8 h). Rome mint. Head of young Hercules right, wearing lion's skin headdress, three pellets behind / ROMA, prow of galley right, C·SCR above, three pellets to right. Crawford 201/5; Sydenham 381c. Fine. Very Rare. 

Ex RBW collection (not in previous sales).