Bactria, Euthydemus I, c. 230-200 BC. Tetradrachm; Bactria, Euthydemus I, c. 230-200 BC; Tetradrachm, 15.73g. Bopearachchi-Série 9A, SNG ANS-137. Obv: Diademed head of Euthydemos I r. Rx: Herakles seated l. on rock, holding club set on knee; PK monogram below.. MS