The product is a 1958 Topps Harmon Killebrew #288 baseball trading card, featuring the Major League Baseball player from the Washington Senators. This card is from the base set of the 1958 Topps collection and has been professionally graded as Authentic Altered by Beckett Grading Services (BGS). As a sports trading card with a parallel/variety of [Base], this item holds historical value for collectors of baseball memorabilia.