Basketball player (1922–1990) who, in 1950, became the first African-American to sign an NBA contract. Vintage ballpoint signature, “Nat ‘Sweet Water’ Clifton,” on the correspondence side of a 3 x 5 government postcard postmarked February 26, 1951. In very good condition, with affixed newspaper photo and mild toning and soiling to signed side, and toning and mounting traces to address side. Auction LOA Steve Grad/PSA/DNA and R&R COA.
