Watch List notes:

Augustus, 27 BC-AD 14. Denarius (Silver, 18 mm, 3.71 g, 7 h), Lugdunum, 15 BC. AVGVSTVS DIVI F Bare head of Augustus to left. Rev. IMP.X Bull with head lowered, butting to right. BMC 455. Cohen 139. RIC 167b. Bright, lustrous and attractive. Struck on a slightly tight flan, otherwise, good extremely fine.

From a European collector who acquired it from CNG about 15 years ago.