Kings of Pergamon, Attalos I (241-197 BC). AR Tetradrachm (28,01 mm, 15,40 g). In the name of Philetairos. Pergamon, c. 241-235 BC. Laureate head of Philetairos r. R/ Athena enthroned l., crowning dynastic name with a wreath, spear in background; to outer l., palm branch; in inner l., monogram. Westermark Group VI A; SNG France 1621 var. (monogram). Very fine.