Carlos Martinez #18 Single Signed Official MLB Selig Baseball........Guaranteed Authentic, see scan..............Obtained in person by MLB clubhouse person, money back guarantee to pass a JSA or PSA authenticity test........Winner pays $8 shipping.....Please be sure to check out our vintage sports cards auctions every week on E Bay....Check out our outstanding feedback record & bid with confidence....Win one of our items and join our large list  of satisfied customers!!!!...