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. The type of Baseball will also effect the price with an Official American league baseball from Ruth's playing days being of the most value. A baseball in poor condition with a weak signature could sell in the $4,000. price range or less, and a minty baseball with a strong signature could sell in the $15,000 price range or more. But with all said the strength of the authenticity that accompanies the signature will hold the bulk of the value. The baseball will not have a higher value being signed in 1938 unless the Babe Inscribed it as such. A signature with the quotation ma