Now a "Holy Grail," sticker-sealed box was valued at just $2,000 to $4,000 in 2012.

Last week, a copy of the first printing of Super Mario Bros. in pristine condition sold for just over $100,000.

This week, the collector who sold that gem told Ars that he's been preparing for this moment for years.

https://arstechnica.com/gaming/2019/...er-mario-bros/