2.5x3.5". The 1957 Topps Baseball set consists of 407 cards and marked the first year the company would use the now-standard measurement for cardboard collectibles. The 1957 Topps set also switched to full color images (either bust portraits or in-action poses) in lieu of handpainted black-and-white photos on the front, with player's name and team printed across the bottom, and statistical data on the reverse. Kofax's signature on the card is bold and bright and placed extremely well at the bottom of the card. One of four at this grade level on the PSA/DNA Population report w/only one graded higher. Sandy Koufax was elected to the National Baseball Hall Of Fame in 1972.