The Signature Series was a program where an artist would design a model, and then the Stone Co employees painted them. Each model had a stylized sticker of the artists' signature, and came with a Certificate of Ownership.
Al Sharif Amir is a dark dapple bay Arabian stallion with rabicano markings. This model is non-customized and designed by Kate Schick. Only 250 of this model were produced and that included both the custom and non-custom versions. Unknown how many of each were made.