Description:Moses "Chief" Yellow Horse autographed & handwritten baseball informational card. Base Ball Statistical & Information Bureau index card which has been autographed by "Moses Yellow Horse" in 1920. Signature rates 8 out of 10. Exceedingly rare autograph of the first full-blooded American Indian to have played in the majors. Due to extreme scarcity, JSA was only able to render an inconclusive opinion. Card grades EX overall with a minor corner crease.