The product is a 2021 Topps Heritage Red Ink Real One Autographs Carl Yastrzemski trading card graded as a PSA 9 Auto 10. This limited edition card features a special red ink autograph from the Major League Baseball (MLB) legend, Carl Yastrzemski. With only 72 cards in existence, this rare insert is a valuable addition to any baseball card collection. The card is serial numbered, part of the Real One Autographs set, and authenticated by Professional Sports Authenticator (PSA), making it a prized item for fans of the Boston Red Sox and baseball memorabilia alike.