Justin Blackmon, former All-American wide receiver for the Oklahoma State Cowboys, has hand signed this custom jersey at a private signing. Jersey is size XL and all letters/numbers are sewn-on. It comes professionally framed in a black wood frame. This item comes with a certificate of authenticity (COA) from Signature Sports Marketing, one of the leaders in the industry. You will receive a paper COA along with matching serial-numbered holograms.Item pictured may not be the exact item you will receive. It will be similar quality, and we guarantee your satisfaction.