The photo was of a wheaten marans crossed with a black copper marans. So mixed breed or hybrid of the marans. So it took the wheaten marans facial features but looks to have the black feathering on the back end.
Not sure.. just figured i would throw it out there. (:
I found that yours looks like one that I’ve seen in my chicken book. It shows it as a “wheaten/black copper marans” ? Possible? Maybe?
I’ve attached the book photo: