The product is an autographed Funko Pop! vinyl figure of MLB Chicago Cubs mascot Clark #21, signed by Sammy Sosa. The item comes with a Certificate of Authenticity from James Spence Authentication (JSA) and includes a proof. The figure is part of the MLB Mascots collection and features the iconic brown, blue, and white colors of the Chicago Cubs. This exclusive item is perfect for fans of baseball and collectors of sports-themed memorabilia.