This card pictures the 1955 New York Giants team. Future Hall of Fame coaches Vince Lombardi and Tom Landry are included in the photo. Lombardi is an assistant coach in the second row, and Landry is a player, also in the second row.
This card pictures the 1955 Chicago Bears team. You can see a larger copy of the image in the Bears Photo Store. One of the players on the card, Harry Hugasian, played part of the 1955 season for the Baltimore Colts, and he also appears on the Colts team card.