I have screen grab the entire sequence for reference: Ball in the dirt, Trout hits the ball to the ball boy and then ball was flipped to the authenticator where he applies the MLB sticker. The signature comes with a PSA.
COA and authentication sticker (AD95897). You will be getting this exact ball (see photos) along with a ball cube plus the PSA COA. The item "Mike Trout autographed signed Game Used MLB baseball PID PSA COA Home Run Game" is in sale since Tuesday, December 1, 2020. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Balls".
The seller is "bkpoon" and is located in San Francisco, California. This item can be shipped to United States.