https://comicbook.com/gaming/news/super-mario-bros-auction-sells-for-600000
https://www.cnn.com/2021/04/03/business/super-mario-bros-auction-record-trnd/index.html
I wonder how much a mint condition Atari_2600 would get?
https://en.wikipedia.org/wiki/Atari_2600#Console_models
"...players must guess Halliday's favorite Atari 2600 game to earn the Crystal Key. iR0k places a forcefield around the castle using the Orb of Osuvox, but Art3mis can disable it. The High-5 lead an army of OASIS players against the Sixers." https://en.wikipedia.org/wiki/Ready_Player_One_(film)#Plot
https://en.wikipedia.org/wiki/Adventure_(1980_video_game)#Easter_egg
https://thedigitallabyrinth.blogspot.com/search?q=Super+Mario