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; SNG ANS 642-8; HGC 12, 169. Light marks. Near EF.