The name comes from the ancient Roman province of Noricum (Austria today) where it was originally bred. They are a medium-heavy draft breed. This beautiful blue roan variant with the always dark/black head is called 'Mohrenkopf'.
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?