Rare variant of 'Super Mario Bros. Duck Hunt' discovered

A Nintendo collector has discovered a rare variant of the game 'Super Mario Bros. Duck Hunt' in a storage unit. This version was previously unknown and will be auctioned starting Friday. The collector describes the find as a significant event, comparing it to the discovery of the Holy Grail.

According to reports, nearly 100 copies of this variant have appeared in the U.S., which have not been seen for 33 years. The auction could potentially bring in millions, as collectors and gaming enthusiasts are showing great interest in this rare piece.