Louisville Slugger baseball bat has been hand-signed by Duke Snider (D. 2011, Brooklyn Dodgers, HOF).The autograph includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes.Authentication: JSA COA The Duke of Flatbush passed away February 27, 2011. Duke, played for both the Brooklyn Dodgers & Los Angeles Dodgers from 1947 to 1962. He finished his career as a N.Y. Met in 1963 & a S.F.Giant in 1964.