The product is a signed 1986 Fleer Update #U105 rookie trading card featuring Ruben Sierra of the Texas Rangers. This authentic card is authenticated by Beckett Authentication Services and graded BGS 10, making it a valuable collectible for fans of Major League Baseball (MLB). With a hard-signed autograph by Ruben Sierra, this original card showcases the player's rookie season in 1986 and is a must-have for collectors looking to add a piece of baseball history to their collection.