The story behind Jerry Kramer's lost Super Bowl ring: 'It was quite incredible that it ever came back'
Eyes off the prize: Championship jewelry loses luster after the game is done – The Denver Post
Super Bowl championship rings through the years show opulence at its finest
Super Bowl Rings: How They Started and Who Has the Most
Super Bowl rings through the years
Every Super Bowl Ring Ever
Super Bowl Rings: Photos of Every Design in NFL History - Sports Illustrated
Every Super Bowl Ring Ever Made – NBC New York
Super Bowl Rings Over the Years