Details New to baseball for 2021, Mosaic promises to deliver all the fan favorites and up-and-coming stars on one of our most popular opti-chrome designs! ? Mosaic Baseball has a total of a 100-card autograph checklist, featuring multiple budding superstars like Ke?Bryan Hayes and Dylan Carlson in Rookie Autographs Mosaic and current faces of the franchise like Aaron Judge and Alex Bregman in Autographs Mosaic ? Look for beautifully designed insert sets like Field Vision, Locked In, Rookie Debut and more! ? Our expansive 280-card base set features numerous stars from yesterday and today in Base, and the ones that are set to join them in Rookies. ? Look for 3 autographs per box, on average! 15 Cards Per Pack