Super Mario 64 cartridge sells at auction for record-breaking $1.5 million

On Friday, it was announced that a new game cartridge auction record had been set with the sale of The Legend of Zelda for NES at $870,000. Now, only two days later, that record has already been broken with another high-figure auction, this one involving an unopened copy of Super Mario 64 sold earlier today. The auction was conducted by …