5 NFL Super Bowl champions who sold their rings
Packers legend, Boise native Jerry Kramer auctions off Super Bowl ring
The Wearing Of the Green (and Gold): Jerry Kramer's Rings
1966 Green Bay Packers Team Signed Photo. Super Bowl I Champions. - Packer Greats
Jerry Kramer's NFL Super Bowl ring and Vince Lombardi letter up for auction
Oh The Irony: Packers Seem Ready to Draft Offense In The 1st Round
1968 Vince Lombardi Signed Letter to Jerry Kramer
All-Time Team - Green Bay Packers
Run to Win by Jerry Kramer, Bob Fox - Ebook