Watch List notes:

KINGS of PERGAMON. Attalos I. 241-197 BC. AR Tetradrachm (30mm, 16.77 g, 1h). In the name and types of Alexander III of Macedon. Pergamon mint. Struck circa 210/05-197 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, owl standing left, head facing. Kleiner, Alexander, Series II, dies C/– (unlisted rev. die); SNG BN –; Price 1474. Good VF, lightly toned, some flatness to strike on reverse. Extremely rare, none in Pella, one in CoinArchives, one in the Gordion I hoard.

From the Colin E. Pitchfork Collection, purchased from Freeman & Sear, 17 January 2004.