Watch List notes:

SPAIN. Celsa. Augustus, 27 BC-AD 14. As (Bronze, 27.5 mm, 13.38 g, 6 h), struck under the duovirs L. Baggius and Mn. Flavius Festus. AVGVSTVS DIVI F Laureate head of Augustus to right. Rev. L · BAGGIO / C · VI · CEL / II · VIR / (MN) · FESTO Bull standing right, head facing. ACIP 3164. RPC 273. Attractive two-toned brown and tan patina, with well-defined types and a detailed bull. Scratch on reverse, otherwise, very fine.
From the W. F. Stoecklin Collection, Amriswil, Switzerland, acquired prior to 1975.