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! ? Look for a 100-card autograph checklist featuring multiple budding superstars like Ke?Bryan Hayes, Dylan Carlson and Nate Pearson along with established stars like Gleyber Torres and Rafael Devers in Quick Pitch Autographs ? 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 1 autograph per box, on average! 8 Cards Per Pack