Wow. When the 2021 SP Game Used golf cards were released, some of the biggest chase cards in the boxes was the Leaderboard Letters inserts that were each autographed by Tiger Woods. Our consignor did not stop at owning a single Tiger Woods autographed Leaderboard Letters card. Instead, he undertook the painstaking (and expensive!) task of locating all 5 letters to spell out T I G E R. 

We would recommend grading all of these with PSA - how impressive that would be. 

Letter of Authenticity from James Spence Authentication (JSA)