Watch List notes:

KINGS of PERGAMON. Eumenes I. 263-241 BC. AR Tetradrachm (30.5mm, 16.96 g, 1h). In the name of Philetairos. Pergamon mint. Struck circa 255/0-241 BC. Laureate head of Philetairos right / Athena enthroned left, holding shield in right hand, left elbow resting on sphinx seated right; spear diagonally in background, ivy leaf to inner left, bow to outer right, monogram on throne. Westermark Group III, dies V.XXV:A/R.2; SNG BN 1606–9; SNG von Aulock 1355 (same dies). VF, toned.

From the Johnson Family Collection, purchased from Marcel Silton, 23 February 1964.