Bizarre Super Mario Bros. 3 Prototype Cartridge Sells For $31,200 At Auction

We’ve seen plenty of expensive Nintendo auctions taking place over the last few years, but not many items have been as interesting as this one. This weekend, a Super Mario Bros. 3 prototype was sold at auction for a whopping $31,200. The listing was a first for Heritage Auctions, being the first time that the … Read more Bizarre Super Mario Bros. 3 Prototype Cartridge Sells For $31,200 At Auction