The 2021-22 Donruss Optic Sam Hauser Signature Series Rookie Auto RC SS-SHS Celtics is a highly sought-after sports trading card featuring an autograph from Sam Hauser, a promising basketball player for the Boston Celtics. This card, part of the Signature Series set by Panini, is manufactured in 2022 and is an original rookie insert in English language. The autograph is authenticated by Panini Authentic and is in the form of a sticker on standard card stock material. This collectible item is a valuable addition to any basketball card collection, especially for fans of the NBA and the Boston Celtics.