Buckskin with black points, 4 stockings or all black legs, grey hooves and a solid or bald face. Available as a single model #9015 from 1984-1988 in Palomino, Buckskin and Bay.
The Bitsy Breyer Western Set #1015 included Bitsy Breyer doll, Western Tack, and comb from 1984-1987, in Palomino, Buckskin and Bay. (Photo shows the doll with her hair falling out, unfortunately a common problem).
In 1983, this model was released through Sears in the 'Breyer and the Little Bits' set #49C20130. The set included Bitsy Breyer with Western tack, a Buckskin Quarter Horse, Black Morgan, Chestnut Thoroughbred, and Bay Arabian.