Super Bowl ticket designs
High-Grade Super Bowl I Ticket Set to Sell for Record Price
From $12 to $2,500: How Super Bowl tickets became so expensive
The First Super Bowl – I Remember JFK: A Baby Boomer's Pleasant Reminiscing Spot
How the NFL controls Super Bowl ticket sales – The Denver Post
Lot Detail - 1967 Super Bowl I Ticket Stub Gold Variation (PSA)
How the Price of a Super Bowl Ticket Has Skyrocketed
Super Bowl ticket prices, past and present
Super Bowl Tickets Once Cost Under $10 — How Prices Evolved