Sammy Sosa autographed Chicago Cubs 20x24 limited edition collage photo. This item comes with a COA from Mounted Memories and includes their matching holograms. Mounted Memories is the largest signing company in the country and Dan Marino serves on their board of directors. Our products are fully licensed by the NFL, MLB,NHL and the NBA. Add a custom display case or frame for you valued collectible. Compare our prices and quality and save. Incentive program managers, please visit our section for corporate sales.