Tennis player known as “Little Mo,” she was the first woman to win the Grand Slam. Retiring at age 20, she died prematurely fifteen years later. Vintage ink signature, “Maureen Connolly,” on an off-white 5.5 x 3.25 government postcard (postmarked 11/23/1951). In fine condition, with light postal cancellation above signature. COA Steve Grad/PSA/DNA and R&R COA.