Watch List notes:

Q. Antonius Balbus. 83-82 B.C. AR denarius (19 mm, 3.80 g, 12 h). Rome mint. S · C behind, laureate head of Jupiter righ / Q · (ANT)O · B(AL)B/ PR in two lines in exergue, Victory, holding wreath, palm, and reins, driving galloping quadriga right; F below. Crawford 364/1d; Sydenham 742b; RSC Antonia 1. VF, toned, small punch and light scratches under tone in obverse field. 

Ex Stack's (19-20 June 1969).