A signature with the quotation marks around "Babe" typifies his pre-1928 autograph and will sell at a higher value. Babe Ruth passed away in 1948 but the other signatures could have been added years later. Most Autographs in Ruth's day was signed with a fountain pen. If any of the signatures were signed with a ballpoint pen or Sharpie for example it would date the signature to a later date. Sharpie did not appear until the 1970's. It might be impossible to determine the year the Baseball was signed, and might not effect the value either way. A Babe Ruth signature is one of the most prized signatures in the hobby. A Babe Ruth single signed baseball in general is worth about $6,000.-$10,000. Value may vary based on condition, and the type of authenticity that accompanies the signature. If the signature is not properly authenticated it could sell at half the market value or less. A Babe Ruth (Key signature) Multi signed baseball could sell for less than a Babe Ruth single signed baseball. Multi signed baseballs often do. The other names you mentioned as gabby Hartnett are not to shabby but the additional signatures as a whole would have to be more desired than a baseball signed by Babe Ruth alone. It would most likely sell below the value of a Babe Ruth single signed baseball. The Dizzy Dean signature could recapture the value
Pat Hartnett - baseball - was born on 1863-10-20.
Pat Hartnett - baseball - died on 1935-04-10.
Roy Hartzell died November 6, 1961, in Golden, CO, USA.
Paul Hartzell was born November 2, 1953, in Bloomsburg, PA, USA.
Roy Hartzell was born July 6, 1881, in Golden, CO, USA.
Pat Hartnett died April 10, 1935, in Boston, MA, USA.
Gabby Hartnett was born December 20, 1900, in Woonsocket, RI, USA.
Pat Hartnett was born October 20, 1863, in Boston, MA, USA.
Paul Hartzell is 6 feet 5 inches tall. He weighs 200 pounds. He bats right and throws right.
Roy Hartzell is 5 feet 8 inches tall. He weighs 155 pounds. He bats left and throws right.
Gabby Hartnett died December 20, 1972, in Park Ridge, IL, USA.
A 1930 Chicago Cubs Team Signed Baseball with the key signatures: Hartnet, McCarthy, Cuyler, Wilson, Hornsby, Grimm, and Kelly is worth about $1,000.-$1,400. Value is based on average prices of recently closed auctions. Prices may vary based on condition, and the type of authenticity that accompanies the baseball. Prices may also vary based on the amount of signatures, and key signatures acquired. The more complete the baseball with key signatures the more valuable. If the signatures are not properly authenticated the baseball could sell at half the market value or less.