Stater Class III

The Coriosolites occupied what is now the Côtes-d'Armor département of Brittany, and their coinage was produced in quantity — likely to pay warriors during the endemic inter-tribal conflicts of the late Gaulish period, possibly accelerating sharply in the years immediately before Caesar's campaigns brought Armorica into direct confrontation with Rome after 56 BC. Class III staters are distinguished from earlier issues by progressive stylistic abstraction and a measurable decline in silver content, the billon alloy reflecting either deliberate debasement or depleted access to Armorican silver sources.

Depeyrot's classification separates this class on die-linked grounds, and attribution between Class III and adjacent classes remains contested among specialists working from hoard evidence.