Relive the comedy classic with Jason Alexander authentic autographed memorabilia, available exclusively at Prime Time Signatures. This collection features rare signed photos and scripts from Seinfeld, each hand-signed by Jason Alexander and fully certified for authenticity.

• Hand-signed Jason Alexander photos and scripts

• Features his legendary role as George Costanza in Seinfeld

• Rare, one-of-a-kind sitcom memorabilia collectibles

• Perfect for TV comedy fans, Seinfeld enthusiasts, and autograph collectors

• Backed by Prime Time Signatures’ authenticity guarantee

As the neurotic and hilarious George Costanza, Jason Alexander helped make Seinfeld one of the most celebrated sitcoms in television history. These signed collectibles capture the humor, legacy, and cultural impact of a show that continues to resonate with audiences decades later.

Every autograph comes with a Certificate of Authenticity (COA) and is shipped fast and free, giving you confidence in every purchase. Expand your collection with related items like Seinfeld autographed memorabilia, Jerry Seinfeld signed collectibles, Michael Richards authentic autographs or Julia Louis-Dreyfuss authentic autographs to complement your Jason Alexander pieces.

Shop the Jason Alexander autographed memorabilia collection today and secure a genuine piece of television history.