Signatures on plain paper

Answer 1

Cut Signatures

Unless the "plain paper" make for a good display the signatures will be valued as cut signatures. The lowest price for a signature. A cut signature is a signature on a piece of paper, or "cut" from a larger piece. Index cards are the next step up, and both sell at a fraction (about 10%-20%) the price of an autographed Baseball. Autograph photos typically sell at about 40-60 percent the price of a baseball with bats, uniform Jersey's and equipment selling at a higher price due to the higher cost of the item, rarity and display.