INDO-PARTHIANS, Margiana or Sogdiana. late 1st century BC. - early 1st century AD. AR Drachm (2.56 gm; 16 mm). Margiana mint. "Helmeted" Countermark issue. Imitating countermarked drachms of Parthian king Phraates IV. Diademed and draped bust left; behind, eagle left, holding wreath; on neck, circular ""countermark"" of helmeted king right / Archer (Arsakes I) seated right on throne, holding bow. Senior 199.2D; Sellwood 91.13; Shore 473; Sunrise 494. Choice aEF. Toned.