Tetradrachm

Ainos sat at the mouth of the Hebros River on the Thracian coast, and its mint was active precisely because the city controlled that trade corridor — grain, timber, and slaves moving through made it wealthy enough to strike high-quality silver in quantity. The tetradrachms of this narrow four-year window fall within the period of Athenian intervention in Thrace, when Iphikrates and later Timotheos were campaigning in the region, placing Ainos directly within a contested zone between Athenian imperial ambitions and the expanding reach of the Odrysian kingdom.

May's die study distinguished #422 from #423 primarily through obverse die linkage rather than visible typological difference — a distinction invisible without direct comparison against documented specimens.