1977 New York Yankees Autographed Memorabilia. Check out this 1977 New York Yankees Autographed 11x14 Team Sheet With 44 Signatures Including Thurman Munson, George Steinbrenner, Billy Martin, Yogi Berra & Reggie Jackson - JSA Certified. This is an 11x14 Team Sheet that has been hand signed by 44 members of the 1977 New York Yankees World Series Championship Team. Signatures Include: Thurman Munson, George Steinbrenner, Billy Martin, Yogi Berra, Reggie Jackson, Jim Catfish Hunter, Ken Clay, Ron Guidry, Dell Aslton, Mickey Rivers, Lou Piniella, Chris Chambliss, George Zeber, Cliff Johnson, Willie Randolph, Paul Blair, Roy White, Bucky Dent, Elrod Hendricks, Mickey Klutts, Fran Healy, Dave Kingman, Dave Bergman, Fred Stanley, Sparky Lyle, Don Gullett, Dick Tidrow, Ed Figueroa, Mike Torrez, Jim Wynn, Stan Thomas, Larry McCall, Tony Kubek, Cloyd Boyer, Bill White, Elston Howard, Bobby Cox, Art Fowler, Dick Howser and Gene Michael. The autographs have been certified authentic by JSA and comes with their sticker and matching full page certificate of authenticity. The paper has been glued to a board. SportsCollectibles.com offers a wide selection of MLB collectibles. Product ships within 1-3 business days and ships free if your order is over $100. Buy with confidence as this autograph has been authenticated.