1957 Topps baseball card complete set ranges overall EX to NRMT condition, with a few less. About 50 cards have players number written on back. Keys grade: Ted Williams EX, Berra EX+ , Willie Mays EX-MT, Hank Aaron EX-MT, Clemente EX-MT, Koufax EX-MT+ OC, Brooks Robinson Rookie NRMT, Jim Bunning Rookie VG-EX, Dodger Sluggers EX-MT, Mickey Mantle EX, Mantle-Berra EX+, Frank Robinson Rookie EX+. Nice overall condition.