The 2023 Onyx Vintage BLAKE CORUM #OABC Blue Auto trading card is a highly sought-after collectible featuring an autograph from Blake Corum, a player from the Michigan Wolverines football team. This original card is from the National Collegiate Athletic Association (NCAA) league and is part of the 2023 Onyx Vintage set. With its unique blue signatures parallel variety, this card is a valuable addition to any sports trading card collection.