He already has before I got him he is 14 years old or so and it is genetic, I have a female offspring of his with a sable. She is a very dark brown unfortunately she is incredibly shy she will go off feeding if she is handled much I have no photos of her at all.
The dinker project I have promised to complete is a to see if there is a super or not the best guess is that it is a dominate trait and the hope is that there is a super. With luck next year will tell.