The 2025 Bowman's Best Auto Jake Mangum #B25-JMA Black Refractor 10/10 Bookend (RC) is a highly collectible sports trading card featuring an autograph from Jake Mangum. This limited edition card is part of the Best of 2025 Autographs insert set and is serial numbered 10/10, making it a rare and valuable addition to any baseball card collection. With a sleek black refractor design and authenticated by Topps, this card is a must-have for fans of the Tampa Bay Rays and Pittsburgh Pirates.