This 2021 Panini Mosaic Debuts Prizm #PD5 trading card features rookie Alex Kirilloff, who is a highly sought-after baseball player. The card has been graded PSA 10, which is the highest possible grade. It is a sports trading card that is part of the Panini Mosaic set and has a Mosaic Prizm parallel/variety. The card is perfect for collectors who want to add a valuable and rare item to their collection.