The Finest 1977 New York Yankees World Series Champs Team Signed Baseball PSA. The Finest 1977 New York Yankees World Series Champs Team Signed Baseball.Official Rawlings American League (Lee MacPhail) baseball signed in blue ballpoint on the sweet spot and side panels by 18 members of the 1977 New York Yankees team, highlighted by Thurman Munson, Reggie Jackson (across the league stamp), Billy Martin, Yogi Berra, Elston Howard, and others. The ball and signatures are in incredible condition, the finest'77 team ball I have ever seen. Accompanied by a full letter of authenticity from PSA/DNA. We specialize in sports autographs and memorabilia. We have one of the largest selections of baseball autographs in the country. The item "The Finest 1977 New York Yankees World Series Champs Team Signed Baseball PSA" is in sale since Wednesday, December 5, 2018. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Balls". The seller is "showpiecessports" and is located in Deal, New Jersey. This item can be shipped to United States.