What is the value of a baseball signed by the 1971 giants including berry bonds willie mccovey Willie Mays and gaylord perry?

A 1971 San Francisco Giants Team Signed Baseball with the key signatures: Mays, McCovey, Marichal, Perry, Bobby Bonds, Foster, and Kingman is worth about $200.-$300.

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. Prices may also vary based on the amount of signatures, and key signatures acquired. The more complete the baseball with key signatures the more valuable. If the signatures are not properly authenticated the baseball could sell at half the market value or less. For more information on team signed baseballs, links to full team rosters, key signatures, and price guide see Related Links below.