This is a Pedro Martinez Autograph Sample, signed on a baseball. This signature was Authenticated by Steiner Sports. A Pedro Martinez single signed baseball is worth about $120. - $175. A Pedro Martinez signed photo is worth about $100.-$150. Signatures Authenticated in person by reputable companies like Steiner Sports will sell for more.

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.

TIP! Don't Forget to keep your Autographs Away from a lot of Light, especially sunlight! Even reflected sunlight will take its toll.

The Ideal conditions for display would be indirect lighting, at a room temperature of 65 - 70 degrees, and 50% humidity. Always check your signatures periodically for signs of fading or deterioration, and avoid excessive handling.

Visit the Single Signed Baseball Price Guide for values on other players.