All of the production barred rocks I've ever had were NOT plain old extended black ( E/E) under the barring. They have ALL been melanized silver birchen , under the barring. A melanized silver birchen gives you a black, plus barring, you get a barred.
There are several ways to get a black barred bird.
The underlying color genetics for the utility and show type barred rocks are quite different. When I look at the picture, I see a CROW WING bird. Silver penciled would have white on the wing coverts. That sure looks to me like a birchen bird. I am NOT saying it is show type perfect birchen, just that birchen is the basic pattern/color here.
There are several ways to get a black barred bird.
The underlying color genetics for the utility and show type barred rocks are quite different. When I look at the picture, I see a CROW WING bird. Silver penciled would have white on the wing coverts. That sure looks to me like a birchen bird. I am NOT saying it is show type perfect birchen, just that birchen is the basic pattern/color here.