Our Story

Welcome to Diamond Cardboard, where our passion for sports card collecting runs deep — for us, it’s not just about buying and selling cards; it’s about sharing the joy of collecting.

I’ve been a collector my entire life, starting back in the 'junk era.' The stories may differ by decade, but the memories are the same. My childhood memories of working odd jobs around the neighborhood to earn a few dollars to go spend at the local card shop are as vivd as ever. The thrill of ripping open that fresh pack, the feel of the cards in your hands, and the hope of finding a favorite player—that’s a memory we all share, no matter when we started collecting. It’s why we still cherish these simple pieces of cardboard today.

Since 2013, we’ve been selling on eBay and have proudly maintained a 100% feedback rating. But beyond that, we’ve built a reputation for fair prices, quick shipping, and a commitment to making sure every customer is satisfied. If you’re not happy with your purchase, we’ll make it right—simple as that.

Our goal is to bring you the same excitement we had as kids, whether you’re searching for that missing piece to complete your set or just reliving the magic of opening a new pack. At Diamond Cardboard, we aim to make your experience smooth, fast, and most importantly, fun.

Thank you for being a part of our community. Happy collecting!