Watch List notes:

MYSIA. Pergamum. time of Trajan to Hadrian, 98-138. Hemiassarion (Bronze, 18 mm, 3.18 g, 11 h). ΘEΟΝ CΥΝ-ΚΛΗΤΟΝ Draped bust of the Senate of Pergamum to right. Rev. ΘEΑΝ ΡΩ-ΜΗΝ Turreted and draped bust of Roma to right; in field, right monogram. RPC 1748 Var; BMC 221. Superb portrait of the Senate of Pergamum. Unpublished monogram in the reverse field. Well struck and attractive. About extremely fine.
From an American collection.