IGN - The “Nintendo PlayStation” prototype was developed as part of a potential partnership between Nintendo and Sony to play both SNES cartridges and CD-based games, but it never entered mass production.
IGN - The current bid for the prototype "Nintendo PlayStation" is at $350,000, beating out the previous record holder, a $100,150 test market copy of Super Mario Bros. | Facebook
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Nintendo PlayStation: Rare unreleased games console goes up for auction | Science & Tech News | Sky News
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