Darin Mastroianni signed Baseball Auto
- Autograph Signed in Blue BallPoint Pen
- Type of Baseball: ROLB1 - Leather Baseball
- Team: Toronto Blue Jays
- This Autographed Baseball comes with a Pro-Mold Ball Cube - Square III. These are the newest and best ball cubes on the market. They protect your baseball and there is even a built in stand to keep your ball from moving around inside the cube.
- Each Autographed Baseball comes with a C.O.A. and can be tracked in our Autograph Verification box using the sequential number assigned to that ball. The tracking box can be found on www.GoSportsCards.com