Mickey Mantle wasn’t only one of history’s greatest ball players, he was an entrepreneur, though his successes on the field never transferred and he was thought of as a poor businessman, and this document is an amendment to his certificate of incorporation of Mickey Mantle Enterprises. The type-written contract is three 8 x 13” pages long and the paper quality is EX. The document is dated the 15th of July, 1960 and the quality of Mantle's blue ball point signature rates a strong 8/10.