For SaleSeattle Mariners
Signed team ball by the Seattle Mariners
$79
Seller states: Piece of the Past COAChase martin (0)
⚾Autograph Marketplace
Sports Autographs
Signed baseballs, jerseys, photos and memorabilia from athletes, listed and wanted by collectors.
Sports autographs are one of the oldest corners of the hobby, from vintage signed baseballs to modern game-worn jerseys. Collectors often focus on a single team, a hall of fame class, a record-setting season or one athlete’s whole career.
Sports items bring their own questions. A signature on a ball panel, a jersey number or a photo from a famous moment can matter as much as the name, and authentication expectations differ between vintage and modern pieces. Before buying, read what makes an autograph valuable and how to buy autographs online safely.
Everything below is live: active listings from CollectorFish members and open Wanted posts from collectors looking for sports pieces.
Sports Autographs in the Fish Market
For SaleWhat collectors are looking for
All Wanted postsWantedSports Memorabilia · No photo yet
People collectors are buying, selling and hunting for
Listings appear here when they are in the Baseball or Sports category, or the person is listed as an Athlete in the Celebrity Index. Wanted posts appear when they’re in Sports Memorabilia or name an athlete as the subject.
Collector guides
What Makes an Autograph Valuable?
Two signatures by the same person can sell for very different amounts. These are the reasons.
How to Store Autographs
Most autograph damage is slow and preventable. Good materials and a dark, stable place do most of the work.
PSA/DNA vs. JSA vs. Beckett: How Autograph Authentication Services Compare
Collectors often ask which authenticator is “best”. This guide doesn’t pick one. It explains how these services work and what to check for any of them.
How to Sell Autographs
Honest descriptions, clear photos and realistic prices sell autographs. Here is how to prepare each one.
Can’t find the autograph you’re looking for?
Cast a Line: post a free Wanted request and let collectors know what you’re hunting for. If someone has it, they can respond privately.