This product is a rare and valuable item for any music collector or fan: a post Malone signed “The Diamond Collection” album vinyl. The signature adds a unique touch, making it a one-of-a-kind piece. The proof and GTP certification adds authenticity and reassures buyers that the signature is genuine. The album is an original and unique piece from the United States, showcasing a piece of music history with a touch of exclusivity. This item has not been authenticated by a third party reputable authentication company yet but once it has this listing will be updated immediately. Thanks so much for your time and your interest in this item! Have a great day!