Great collection of twelve Topps baseball card contact extension agreements, each one page, 8.5 x 11, dated from 1965 to 2014, each signed by the subject—comprised entirely of All-Stars and Hall of Famers. Includes: Roberto Alomar, Craig Biggio, Dennis Eckersley, Trevor Hoffmanm, Ivan Rodriguez, Ozzie Smith, John Smoltz, Bruce Sutter, Don Sutton, Jim Thome, Joe Torre, and Omar Vizquel. In fine condition, with JSA labels affixed to the reverse of each document. Accompanied by certificates of authenticity from JSA for all twelve.