BAKTRIA, Indo-Greek Kingdom. Menander I Soter. Circa 155-130 BC. AR Tetradrachm (25mm, 9.58 g, 12h). Diademed and draped bust right, wearing crested helmet adorned with pelt and wing / Athena Alkidemos advancing left; Σ and monogram flanking. Bopearachchi 15B; HGC 12, 182. Light toning, traces of deposits, hint of porosity, a couple of light scratches. VF.