Caecilia, AE semis, unnamed series, 128 BC. 21.5 mm. 5.44 g.

Laureate head of Saturn right, S behind head. 
Prow right, elephant's head right above, S to right, ROMA below.

Babelon Caecilia 39; Syd 497; Crawford 262/2; Sear 880; BMCRR 1048 (this coin)

Image courtesy of the British Museum.