KINGS of PERGAMON. Attalos I. 241-197 BC. AR Tetradrachm (27mm, 17.01 g, 11h). Struck circa 241-235 BC. Laureate head of Philetairos right / Athena enthroned left, resting on shield to right, crowning dynastic name with wreath; spear in background, palm frond to outer left, monogram to inner left, bow to right. Westermark Group VIA (V.XCV/R.2[?]); SNG France –; BMC 40. gVF. Rare monogram.