His signature and inscription are MLB authenticated. Bat is also accompanied by a Judge LOA for the game use. Date of manufacture is 4/26/18. Please see pictures and authentication. The item "Aaron Judge New York Yankees Game Used Signed Bat PSA GU 10 2018 Heavy Use" is in sale since Sunday, May 16, 2021.This item is in the category "Sports Mem, Cards & Fan Shop\Game Used Memorabilia\Baseball-MLB\Bats". The seller is "gameusedgamers" and is located in Cincinnati, Ohio. This item can be shipped to United States.