Reviews (668)Everything was awesome! Great streamer. Don't miss his shows!! Always love the Mattingly shows! Awesome seller. Great cards at a great value. Lots and singles of all players He's got it all. Thank you for the deals I will definitely be back!! Cool card. shipped quick and arrived safely. ⭐️⭐️⭐️⭐️⭐️ streamer!! Another solid cool Mattingly card offered up at a great price. Awesome seller!! Great deals and good vibes. Thank you Brother!! Awesome cards. Awesome show. Safe and quick shipping. 5 Stars. Everything was awesome. Thanks Derk!!! Thanks Derk for the awesome slabs Excellent packaging. Cards exactly like described. More people should be in his shows for deals like I received!!!! Great card brother!! Thank you 🙏 Great seller, awesome guy. Nice cards fast secure shipping Always one of the best on the app!! Mail day didn't disappoint! Fast shipping and I am excited to add an additional card to my Nolan collection. Thank you for being a great seller. Derk is one of the most stand up guys you'll find on this app. He is a veteran and a man of faith. He sells great cards, for great prices, ships fast, and everything comes well protected in grwat shape. I have been buying from him for a while and should have written a review a long time ago. If you love Don Mattingly, Derk has you covered. He is the King of Mattingly's. He hand curates his shows meticulously, he just needs more followers and more people to see the quality of products in his room. Awesome Griffey Numbered card. Thanks again my man. Great show when I have time, I always find something I need from derkny....stop in, you'll find something too /users%2F16057038%2Fstore%2F4dc289f0-634a-4b0b-ac26-b2c65e9f09ff.jpeg)