Clay Matthews Autographed Brown Pro Style Jersey - Prova *Black THIS IS NOT AN NFL JERSEY. THIS HAS NO TAGS, NO LOGOS, NO EMBLEMS. This is a hand autographed Jersey of Clay Matthews. This is Custom Made (non name brand) Authentic Style (stitched letters and numbers). This item has a Prova Authentication, which comes with a Prova numbered sticker hologram for verification. You can view this item on the Beckett website. It was signed either at a public autograph appearance or a private signing. This is a stock photo of the item. Although you may not receive this exact item, the item you receive is virtually identical and brand new in great shape. Jersey size is XL.