Sealed Super Mario Bros. sells for a record $3 million

A sealed copy of Super Mario Bros. sold for $3 million at Heritage Auctions, breaking the previous record of $2 million. This is significant because it's the earliest known sealed copy of the game in existence. The high price is due to the game's rarity and the fact that it was sealed with a glossy sticker, which was discontinued. Engineers may not be directly affected, but it's an interesting example of the value of rare items.