What is the value of a 1979 New York Yankees' team autographed baseball that includes the signatures of Thurman Munson Reggie Jackson and Billy Martin?

A 1979 New York Yankees team signed baseball with the key signatures: Munson, Nettles, Tiant, Martin, Hunter, Guidry, Jackson, Gossage, Murcer, Kaat, and John is worth about $1,200.-$2,000. The Thurman Munson signature is what drives the price up on this collectible baseball. In the past few years Yankees team baseballs with Munson's signature have doubled in value or more. Five years ago a 1979 Yankee baseball could be had for $200.-$300. In two recent auctions: a New York Yankees team signed baseball sold for $2,960. and one for $1,223. 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. You may find prices for team signed baseballs on my website. The team signed baseball price guide includes a list of key players as well as links to full team rosters year by year. I will provide a link on this page for your convenience. Prices will be updated as auction results dictate so check back soon.