The 2022 Topps Brooklyn Collection Walker Buehler auto Black #41/99 AC-WBU is a limited edition sports trading card made of card stock. It features a hard-signed autograph from Walker Buehler, a pitcher for the Los Angeles Dodgers in Major League Baseball. The card is part of the 2022 Topps Brooklyn Collection set and is parallel to the White variety. It is an original card manufactured by Topps in the United States and comes with autograph authentication. The card is serial numbered, short print, exclusive, and has the features of an autograph.