2018 Jimmy Connors Signed Leaf Card Collection Masterpiece Tennis Slabbed 1 of 12018 Jimmy Connors Autographed Leaf Collection Masterpiece Tennis HOF Slabbed Leaf "Executive Collection" signed by tennis Hall of Famer Jimmy Connors Back of card mentions "The cut signature in this card was authenticated by either PSA DNA, JSA or Beckett Authentication. This custom produced signature card has not been authenticated by Leaf Trading Cards, but by one of the third authenticators listed above. A population report showing the number and