Grey (grise de Bena)
A variant of Bresse (Gallus gallus domesticus)

Representative Bressephoto — a dedicated image of this exact morph isn't available yet.
The grey/cuckoo-barred regional strain tied to Béna, one of the four historic colour types of the Bresse Gauloise.
Keeper tips for this variant
Barring quality is sex-linked — cockerels carry two barring genes and look paler, so judge bars on hens for the truest pattern.