The ultimate football card collection tracker
B23 helps you catalog your cards, track market values with eBay last-sold prices, and manage want lists and trades — all in one beautiful place.
Everything a collector needs
Built for collectors who want to know what they own, what it's worth, and what's next.
Card database
Browse a growing catalog of football cards from Topps, Panini, and more.
Collection tracking
Track quantities, condition, purchase price, and current value.
Want & trade lists
Organize your wants and trades so you never miss a deal.
eBay last sold
See real last-sold prices pulled from eBay for every card.