A Kevin Brown single signed Baseball is worth between $30. -$40. 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. Add for inscriptions. In a recent auction a Kevin Brown single signed baseball sold for $31.00
About $40.
Twenty dollars
50 dollars
Your 1933 New York giants full team autographed baseball is worth $39.99.
About $900-$1000
Whatever someone will pay!
A baseball signed by Andre on Amazon, is $137.99
500
Without and autograph it is worth about $10-$20. Autographed it is worth about $50.
usually up to 150$ depending on its condition
One billion US dollars.
Depending on if it is certified or not...About $10.00 dollars.