The bay can range from very dark or plum colored (like in the #3085 set), or more of a sandy or baby bay color. Mane and tail are charcoal or black but no black on the legs, no or various stockings with grey or charcoal hooves, and a solid face. Lighter variations of this model can be easily confused with the chestnut version. Came in a set with matching bay Lying Foal. From 1975-1976, released as a single model #5700. These models were made from the heavier Cellulose Acetate plastic.
Released in the 1975 Sears Christmas catalog in the 'Miniature Family' set (#49C20263), which included a Bay Arabian Stallion, Bay Thoroughbred Mare and Bay Standing Thoroughbred Foal. This set was released in a little white box with a drawing of the molds. This set was released in a little white box with a drawing of the molds. The Breyer number for this set is #5670.
In 1976-1980, this model was released in the Stablemates and Stable Set #3085 and included a cardboard stable, the Quarter Horse Mare, the Quarter Horse Stallion or Seabiscuit and the Thoroughbred Standing and Lying Foals. Seabiscuit had replaced the QH Stallion around 1979. In 1976, the stable was available without models as #7200.