Mottled
A variant of Belgian d'Uccle (Gallus gallus domesticus)

Representative Belgian d'Ucclephoto — a dedicated image of this exact morph isn't available yet.
Base color broken with white V-tipped 'mottled' spangles (e.g., black mottled), increasing in white with each moult.
Keeper tips for this variant
Mottling spreads with age, so a perfectly marked young bird may go too white over years — plan your show stock timing; keep feet dry.