9-14 AD., Tiberius Caesar, Lugdunum mint, As, RIC 238a or 245.

Augustus for Tiberius Caesar, Lugdunum (Lyon) mint, 9-14 AD.,
Æ As (24-25 mm / 8,12 g),
Obv.: [TI CAESAR AVGVST - F IMPERAT V.. ] , laureate head of Tiberius facing right; more than 10 punchmarks on the obverse: A, C, V, o, .... .
Rev.: [R]OM ET AVG , front elevation of the Roma-Augustus-Altar of Lugdunum, decorated with the corona civica between laurels, flanked by nude male figures; to left and right, Victories on columns, facing one another; ca. 10 punchmarks on the reverse: X, C, r, o, .... .
RIC I, 238a or 245 (common or scarce) .

The reverse of this coin features the celebrated Altar of Lugdunum which had been dedicated by Augustus on August 1st, 10 BC.
Each year on the 1st of August the 60 civitates of the three Gauls met at this altar for festivities and to affirm their loyalty to the Empire. The altar had been erected 12 BC. by Drusus.