Watch List notes:

KINGS of PERGAMON. Attalos I. 241-197 BC. AR Tetradrachm (27.5mm, 16.69 g, 12h). In the name of Philetairos. Pergamon mint. Struck circa 235-215/0 BC. Laureate head of Philetairos right / Athena enthroned left, resting on shield to right, crowning dynastic name to left; transverse spear in background, palm frond to outer left, monogram to inner left, bow to right. Westermark Group VI:A, obv. die LXXXXIX; SNG BN 1621. Minor marks, traces of horn silver on reverse. VF.

Ex Berk inventory cc85267 (ND).