Rare Nintendo cartridges discovered in Waukesha storage box
Key Points:
- Nearly 100 copies of a previously unknown version of "Super Mario Bros." and "Duck Hunt" were discovered in Waukesha, Wisconsin.
- The cartridges were reportedly sold by Nintendo to a metal recovery service to be melted down for gold but were never destroyed.
- Experts note these cartridges were printed about two years after the last known printing and feature distinct differences in stickers, screws, manuals, and motherboards.
- Some cartridges are in perfect condition, earning the world's first PSA 10 grade for an NES game.
- Three of these rare cartridges are scheduled for auction and could potentially sell for millions.