Triobol

Samos was among the earliest Greek city-states to adopt coinage, and by the late sixth century BC the island's mint was producing well-established denominations tied to the Samian weight standard — distinct from the Attic and Aeginetan systems competing for dominance across the Aegean. The 510s BC place this piece squarely within the period of Polycrates' tyranny or its immediate aftermath, when Samos operated one of the most powerful naval forces in the Greek world and controlled significant Aegean trade routes.

HGC 6, 1994 places this type within a tightly grouped series with limited die variation recorded.