This 1972 Sunoco New Player Update Mail-In Stamp features Bob Kowalkowski, a former NFL player for the Detroit Lions. The stamped trading card is a must-have for any football or sports memorabilia collector. The card showcases Kowalkowski in his Lions uniform during the 1972 season and is a great addition to any collection. It is perfect for those who are looking to add a rare and unique item to their collection.