When the nba and nike were collaborating on new city edition designs, they wanted to create a "collection [that] showcases the unique history and culture behind nba teams, their cities and their shared bond with nba fans around the world." one of the standouts of the newly designed jerseys are the blue and green retro threads created for the dallas mavericks. by using the retro style lettering and incorporating a sleek green and blue design reminiscint of the mavs from the 80s and 90s, these city edition jerseys defintiely connect the past history with the current superstars of today. celebrate the mavericks past and present with this autographed luka doncic city edition swingman jersey!this autographed jersey includes a panini authentic certificate of authenticity with a unique hologram number that corresponds to the hologram on the actual collectible. these holograms protect the integrity of the product and serve to guarantee the authenticity of the signature it bears. money back guarantee! if for any reason you are not completely satisfied with the quality or authenticity of your purchase, we will gladly give you a full refund or exchange, whichever you prefer up to 30 days after purchase. please feel free to e-mail us with any questions. good luck bidding!!! authenticator pre-certified authenticator: panini authenticated history of item: luka has signed this item in the presence of a representative from panini authenticated. describe how you came to possess this item: super sports center is a fully authorized dealer for upper deck authenticated as well as panini authenticated, mounted memories and steiner sports. other information about you and / or the item: super sports center strives to deliver the most authentic in sports memorabilia from trusted companies like mounted memories, steiner sports and upper deck authenticated. if it exists, we can find it for you!