This stitched pinstripe baseball jersey was hand signed by Seinfeld Actor Jason Alexander AKA George Costanza at a private signing. Costanza was the
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://images.footballfanatics.com/seinfeld/jason-alexander-autographed-8x10-color-photo-seinfeld-beckett-authentic!_ss1_p-100932564+u-ppccxzcvknlpoikmhigq+v-fbsmtbbrxymmyrzurqzt.jpg?_hv=2&w=340)
Jason Alexander Memorabilia, Signed Jason Alexander Photos and Merchandise
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://pastimesports.ca/cdn/shop/products/IMG_6958_934x700.jpg?v=1619553032)
Jason Alexander Autographed Inscribed George Costanza New York Yankees Jersey
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://galaxycon.com/cdn/shop/products/PXL_20221117_223701611_600x.jpg?v=1671828192)
Jason Alexander Seinfeld Signed Yankees Cap JSA COA Certified Autograp
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://i.ebayimg.com/images/g/Q~cAAOSwk5FhcwVZ/s-l1600.jpg)
Autographed Misc Entertainment Memorabilia - Page 151
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://fanatics.frgimages.com/seinfeld/jason-alexander-seinfeld-autographed-new-york-yankees-replica-jersey-with-george-costanza-inscription_ss5_p-200221542+pv-4+u-rjszeqvakzqcqzc5hm2e+v-ozgzlnogurzeqsoyrutx.jpg?_hv=2&w=900)
Jason Alexander Seinfeld Autographed Fanatics Authentic New York Yankees Replica Jersey with George Costanza Inscription
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](http://galaxycon.com/cdn/shop/products/ScanOct27_2022_8_82b39cfa-a831-4d91-ade2-7be0cd4a6ec9.jpg?v=1676469219)
Jason Alexander Seinfeld 8x10 Signed Photo JSA COA Certified Autograph
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://www.jacketsexpert.com/wp-content/uploads/2021/10/seinfeld-jason-alexander-varsity-jacket.jpg)
Seinfeld George Costanza Yankees Varsity Jacket - Jackets Expert
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://i.ebayimg.com/images/g/uvAAAOSwhYBhEr7H/s-l1600.jpg)
Autographed Misc Entertainment Memorabilia - Page 154
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://images.squarespace-cdn.com/content/v1/51c0ae45e4b0c2b46f4a4f63/1610941505247-1WQT7SSIHCM9P74532DN/square+back+1.jpg?format=2500w)
Bleachers Sports Music & Framing — Jason Alexander Signed George Costanza Seinfeld New York Yankees 8x10 Photo - Beckett BAS COA Framed
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://blog.vintagebreaks.com/hubfs/National%20Treasures%20Jason%20Alexander%20Yankees.jpg)
Vintage Breaks Pulls George Costanza Seinfeld Yankees Jersey Card
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://images.footballfanatics.com/seinfeld/jason-alexander-seinfeld-signed-8x10-photo-autographed-bas-number-bh049568_ss1_p-200777716+u-gzxlofcyxjlgrrzriujk+v-pfhokuzqcdpzydgpzspn.jpg?_hv=2&w=340)
Jason Alexander Memorabilia, Signed Jason Alexander Photos and Merchandise
![Jason Alexander AKA George Costanza Autographed New York (Costanza #00) Custom Pinstripe Jersey - Beckett](https://images.pristineauction.com/244/2441784/share_1660590486-Jason-Alexander-Signed-George-Costanza-Trading-Card-BGS-PristineAuction.com.jpg)
Jason Alexander Signed George Costanza Trading Card (BGS)