Mysia, Pergamon, King Attalos I (241-197 BC), Tetradrachm, 17.0 gms., laureate head of Philetairos right, rev. Athena seated left, leaning on shield, holding wreath over legend at left, bow at right, monogram and bee at left (cf. Boston 1616, as Eumenes II), extremely fine, toned, rare variant