Four Perez-Steele cards, eighth series, numbered out of 10000, each signed on the front in blue felt tip by the respective player pictured. Signers are: Ted Williams, Carl Yastrzemski, Bobby Doerr, and Rick Ferrell. Williams, Yastrzemski, and Doerr are encapsulated in plastic PSA/DNA authentication holders, with the Williams receiving a grade of EX-MT 6. In fine condition. RRAuction COA.