Barry Bonds single signed baseballA Barry Bonds single signed Baseball is worth between $150.-$250. 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. Signatures that have not been properly authenticated could sell at half the market value or less.
Inscriptions such as "73 HR" will sell for more. Personal Inscriptions like Good Luck Chuck" will sell for less.