Watch List notes:

Q. Pomponius Musa, Denarius, Rome, 66 BC; AR (g 3,89; mm 18; h 5); Laureate head of Apollo r.; behind, scrolli n its carrying case, Rv. Clio, the muse of history, standing l., holding scroll in r. hand and resting l. elbow on column; behind, Q POMPONI; before, MVSA. Crawford 410/3; Pomponia 11; Sydenham 813.
Scarce, countermark at obverse, good very fine - about extremely fine.