NFL helmet carts at the Super Bowl VII at the Los Angeles Memorial Coliseum in Jan 1973

 

https://boards.sportslogos.net/topic/96536-super-bowl-vii-giant-mini-helmets/

https://grassrootsmotorsports.com/forum/off-topic-discussion/can-we-please-stop-hotlinking-pics/20411/page3781/

https://entertainment.time.com/2013/01/31/a-history-of-super-bowl-halftime/photo/0293071708319_152644800/

https://twitter.com/helmetaddict/status/1181046634710482944

http://www.thighswideshut.org/tag/tampa-bay-buccaneers/