My Bobby is an AKC Parti Yorkie; he has a black saddle (his black), white chest, white front and back legs, white on the top of his head, and some tan in his face. He has the same color pattern as a German Biewer. Except for his coloring he looks 100% Yorkie (face and body type). I have seen many different color patterns in "Parti" Yorkies, but also see many mixed breeds claiming to be Parti Yorkies ... so, I would only go with a trusted breeder and make sure he is AKC registered, if it is important that he is pure Yorkie. Frankly, Bobby is the best little dog I have ever had -- I don't really care about his lineage -- he is pure "gold"
to me