Graded VG 3 with an (mk) qualifier by PSA with an AUTHENTIC auto grade from PSA/DNA. Permanent Monument Park residents have applied their weighty autographs to the offered 1957 Topps #407 "Yankees' Power Hitters" specialty card. Features neatly inscribed blue ballpoint autographs of Mantle ("8") and Berra ("8"). This lethal combination is crease-free with only slight writing on the reverse. A fantastic conclusion to the groundbreaking '57 set! Opening Bid $500.