BAKTRIA, Greco-Baktrian Kingdom. Heliokles Dikaios. Circa 145-130 BC. AR Tetradrachm (31mm, 16.91 g, 12h). Diademed and draped bust right / Zeus standing facing, holding thunderbolt and scepter; monogram to inner left. Bopearachchi 1U; HGC 12, 169. Light iridescent toning, light overall die rust and hairline die breaks, reverse off center. Good VF.