Value of baseball signed by 1985 NY Yankees?

Answer 1

1985 New York Yankees Team Signed BaseballA 1985 New York Yankees Team Signed Baseball with the key signatures: Berra, Martin, Mattingly, Winfield, Henderson, Guidry, and Niekro is worth about $200.00 -$300.00

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.