Custom on-field style jersey. Everything is sewn on, size XL. Has been hand-signed in silver paint pen by Bert Blyleven (HOF). Blyleven's career highlights have been custom stitched onto the back of the jersey below the reverse numbers.

The lot / autograph(s) includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes. The signing of this item was witnessed by JSA.

Authentication: JSA COA