Watch List notes:

Augustus. 27 B.C.-A.D. 14 Æ quadrans (15 mm, 3.08 g, 6 h). Rome, 5 B.C. Apronius, Galus, Messalla, Sisenna, moneyers. MESSALLA·APRONIVS III VIR·, altar / S·C surrounded by GALVS·SISENNA AAAFF, RIC 453; BMC 252; Cohen 532. Brown patina. Fine.