2-5/8x3.75".  The 1952 Topps Baseball set consists of  407 cards and was issued in six distinct "Series" groups. Variations, errors and oddities in 1952 Topps include each card in Series 1 (#s 1-80) being found in Black Back and Red Back configurations. 1952 Topps Baseball Card Set is the most popular sports card set ever produced and surpassed all earlier sets in size, quality and quantity. Warren Edward Spahn was an American professional baseball pitcher who played 21 seasons in Major League Baseball (MLB). A left-handed pitcher, Spahn played in 1942 and then from 1946 until 1965, most notably for the Boston Braves, who became the Milwaukee Braves after the team moved west before the 1953 season. His baseball career was interrupted by his military service in the United States Army during World War II. A few of his many career accomplishments include being a 17 time All-Star, a Cy Young Award and World Series Championship in 1957, led the NL in strikeouts four times and threw two career no-hitters. Warren Spahn was inducted into the National Baseball Hall Of Fame in 1973. The autograph on this card is bold and well placed. PSA pop report indicates that there have only been two others graded at this level w/one other example graded higher.