Watch List notes:

ASIA MINOR(?), Uncertain. Augustus, with Tiberius. 27 BC-AD 14. Æ (17mm, 5.16 g, 12h). Laureate head of Augustus right / Bare head of Tiberius right. RPC I 5430C.2 (this coin). Rough green surfaces, cleaning scratches, porosity. Good Fine. Extremely rare, only four known to RPC.