This jersey was issued during the Oregon Ducks 2013 Football Spring Game. They are officially licensed by the NCAA and comes with an individually-numbered Certificate of Authenticity from the University of Oregon. To ensure authenticity, the item can be verified online using the Certificate of Authenticity's unique alpha-numeric code. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. A portion of the proceeds for this item will be donated towards The Team Red, White & Blue Foundation as well as the University of Oregon ROTC program.