About Jim Stinson Sports

40+ Years of Expertise in Autographs

With over four decades of experience as an autograph authenticator and dealer, Jim Stinson is a respected and highly experienced figure in the autograph community.

Jim was an original authenticator for PSA/DNA in 1998, drawing on years of firsthand experience with signatures, signed memorabilia, collectors, and the autograph marketplace.

Throughout his career, Jim’s knowledge of autographs and their values has been featured in USA Today, NBC News, the Chicago Tribune, the San Francisco Chronicle, Autograph Collector Magazine, and other national media outlets and publications.

His experience encompasses sports, vintage entertainment, and historical autographs, giving him a broad and deeply developed understanding of the hobby. After more than 40 years immersed in the world of autographs, Jim’s expertise comes from something that cannot be replicated overnight: decades of firsthand experience, study, collecting, and working with signed memorabilia.

40+ Years. Countless Autographs. A Lifetime of Expertise.