What is the value of a 1967 first world championship pin?

1957 World Series Team Signed Baseball1957 Milwaukee Braves Team Signed BaseballA 1957 Milwaukee Braves Team Signed Baseball with the key signatures: Schoendienst, Aaron, Mathews, Spahn, and Burdette is worth about $1,100-$1,800.

A 1957 New York Yankees team signed baseball with the Key signatures:Stengel, Berra, Slaughter, Mantle, Ford, Howard, Sturdivant is worth about $600.-$1,000.

If the baseball is signed by players of both teams it could have a lower value than a single team.

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.