How much would you pay for this prototype Super Famicom with a headphone jack?

Over on the Japanese Yahoo Auctions site, someone has listed an apparent pre-production version of the Super Famicom — the Japanese counterpart of the Super Nintendo (SNES). It’s similar to the console Nintendo eventually released in 1990 but with some stand-out differences, like a headphone jack and volume wheel on the side. Video game collector and historian Chris Kohler called it “god-tier Nintendo collector bait.”

Some other variations include a big red power switch and the fact that the controller ports are on the left side of the console, rather than centered as they were in the eventual production model. There’s also what looks like the console’s expansion port on the front, rather than the bottom where it lived on the final…

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