Nintendo's hidden device history isn't just limited to an unreleased PlayStation. Yahoo Japan user Kuriaisu1122 recently sold a prototype Wii remote that bears only superficial similarity to the ...

Here's a more advanced Wii Remote prototype. Overall, they're wider than the final Wii Remote + not as long. The B button is flat, and not hooked like a trigger.

The previously unrevealed remote controller, which sold at Yahoo Auctions for 74,000 yen (approximately $663 USD) on Thursday, looks incredibly similar to what eventually launched for the Wii.