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Bactrian Kingdom, Diodotos II, 256-230 BC, AR tetradrachm,
(16.47g) Afghan Mint, 

Diademed head right.
BASILEWS DIODOTOY, Nude Zeus striding left, bearing aegis and thunderbolt, wreath before, eagle at feet. 

Type Sear 7511; MIG 74e; Bopearachi Series L.