Mark Brothers VIP Autograph Signing at Sinbad Sports. This Mark Duper jersey features stitched player number on jersey front; stitched player last name and number on jersey back. Stitched player number on the shoulders. Mark Duper signed this jersey on the player number on the back with a silver sharpie. Size X-Large. Color teal. These are custom Jersey ready to frame it. Shop with confidence as this product has been authenticated by JSA and comes with numbered decal.