Horace Stoneham Single Signed ONL Baseball 1954 Giants Owner Super Rare! JSA/BAS

Horace Stoneham Single Signed ONL Baseball JSA & BAS LOAs.  Stoneham (1903-1990) was the owner of the New York/San Francisco Giants from 1936-1976, presiding over the Giants 1954 World Series Champion season. Stoneham has penned his flowing signature in black ink across the ball's south panel. The off-white toned ball exhibits clean surfaces with minimal wear and black Rawlings stampings.  There is only two or three Horace Stoneham single-signed baseballs that are known to exist.