Al Leiter Signed 8 x 10 PhotoAn Al Leiter signed 8 x 10 photo sells for about $20.-$30. Price will vary based on condition, and the type of authenticity that accompanies the signature. Photo composition, appeal and how well the photo displays the signature will also effect the price. Sharpie would be most preferred for a photo. Larger and more desired pictures could sell for more. Signatures that have not been properly authenticated could sell at half the market value or less. Add for inscriptions.