Augustus. 27 BC-14 AD. Æ Quadrans (2.94 gm). Struck 5 BC.
Moneyers Apronius, Galus, Messalla, and Sisena. 

SISENNA GALVS III VIR around SC.
MESSALLA APRONIVS AAAFF, altar with bowl-shaped top. 

RIC 462; Paris 836.