Watch List notes:

The Indo-Greek Kingdom - Menander (ca. 160-145 BC) - Bilingual AR tetradrachm (7.96 g.), Diademed bust with Boeotian helmet r., / Athena Alkidemos standing l., brandishing thunderbolt and shield. Monogram to l. Uncertain mint in the Paropamisadai or Gandhara. Scarce. General features gVF, but show a black patina, light in weight and brittle on the edges. The provenance of the coins with these features can be traced back to the Mir Zakah II hoard. Ref.: Bop. series 15.A; MIG 217.a; Hoover 182.