BACTRIA: Heliokles I Dikaios, ca. 145-130 BC, AR tetradrachm (16.61g), Bop-1U, diademed and draped bust right // Zeus standing facing, holding winged thunderbolt in right hand and scepter in left, monogram to left, bold strike, slight reverse die shift, small planchet defect in reverse center, EF-AU.