Drachm

Chalkis controlled one of the most strategically vital straits in the Aegean — the Euripos channel, where the current reverses direction multiple times daily — and its mint output reflects a city acutely aware of its commercial leverage. The BCD Euboia series documents considerable die variation within this type, and the "var." designation here places this piece outside the principal die pairings recorded in that study.

The dating range overlaps with intensifying Macedonian pressure on Euboean autonomy under Demetrios Poliorketes and his successors, a period when civic silver issues across the region became sporadic.