Watch List notes:

MYSIA. Pergamum. Caius & Lucius, Caesars, 20 BC-AD 4 and 17 BC-AD 2. Hemiassarion (Orichalcum, 17 mm, 3.12 g, 12 h), Demophon, magistrate. [Γ KA]IΣAPA ΠEPΓAMHNOI Bare head of Gaius Caesar to right. Rev. [Λ ΚΑΙΣΑΡΑ] ΔΗΜΟΦΩΝ Bare head of Lucius Caesar to right. RPC I 2365. Very rare. Some deposits and with some flan faults on the obverse, otherwise, nearly very fine.