Chalkon

Delos occupied an unusual position in the Aegean economy — technically a sacred island under rotating Athenian and later Amphictyonic administration, its local bronze coinage circulated primarily within the sanctuary economy surrounding the sanctuary of Apollo rather than through conventional trade networks. The chalkon denomination was the workaday unit of that system, used for small transactions among pilgrims, merchants, and the island's considerable population of resident foreigners.

In 166 BC, Rome handed Delos back to Athens as a free port, expelling the native Delians entirely. Local autonomous bronze issues effectively ceased at that point.