1967 Super Bowl I Packers vs. Chiefs Ticket Stub, PSA Authentic -, Lot #42140
Super Bowl Tickets Image Gallery List, Collecting History, Guide
Lot Detail - RAY NITSCHKE'S 1967 GREEN BAY PACKERS SUPER BOWL II WORLD CHAMPIONS 14K GOLD RING (NITSCHKE FAMILY LOA)
What's a historic Super Bowl ring worth? Heritage Auctions has 12 up for bid - Sports Collectors Digest
The Top 30 Most Valuable Football Cards Of All Time
1967 Philadelphia Football Cards - PSA Price Guide
BA SE BA LL - Huggins & Scott
Beckett Football October 2020, PDF, Clemson Tigers Football