The Cardboard Connection Sports Collectors Collectopedia is a database of articles, resources, and information related to sports cards and sports memorabilia. Designed to benefit collectors of all experience levels, this resource is a constant work in progress. In addition to what we add to the database we also welcome and appreciate writing contributions from our readers.
- Autograph Authenticators
- Card Grading Companies
- The National Sports Collectors Convention
- Trading Card Manufacturers