Kinsky- of these horses have coats in various shades of gold. It is one of the rarest breeds in the world, with less than surviving worldwide; at one time, they were the most prominent breed in the Czech Republic, their origin.
Dunbar's Gold is a very rare Brindle color. While common in dog breeds like Greyhounds and Pitbulls, brindle is rarely seen in horses. Dunbars Gold is a registered American Quarter Horse stallion. Possible Chimera?