One-of-a-kind sealed copy of Super Mario Bros tipped to sell for staggering sum at auction

A SEALED copy of Super Mario Bros — described as the Holy Grail of video games — is tipped to sell for £1.2million. The 1986 second printing of the Nintendo cartridge is in mint condition with a coveted gloss sticker on its lid. Evan Masingill, Heritage’s managing director of video games, said: “Mario is one...