At first glance, the card backs from this set appear fairly bland. However, the large blank area below the stats contains a hidden treasure. When rubbed with a coin, a photo and player name is revealed. Depending on the quality of card, these photos can be very difficult to see. The card on the right, Gail Cogdill, has a photo of Frank Clarke. The photos used are the same as the card fronts of that player.
Below is the list of Cowboys players that appear on the backs of 1965 Philadelphia cards.