Watch List notes:

Q. Antonius Balbus, Denarius serratus, Rome, 83-82 BC; AR (g 3,95; mm 19; h 12); Laureate head of Jupiter r.; behind, S C; below, control letter, Rv. Victory on quadriga r., holding wreath and palm-branch; in ex. Q ANTO BALB / PR. Crawford 364/1b; Antonia 1; Sydenham 742.
Lightly toned, large flan, about extremely fine.