Large whole back tattoo

Large whole back tattoo. Black ink. A large bird with spread wings. The bird is split in two and has two heads but shared body. the left side is a dove, the right side is a raven. The backdrop is a coat of arms heater shield. The tail of the bird intertwines to hold a Celtic endless knot. The shield should have filigree embellishments. Stylize with interspersed geometric patterns.