It was reported earlier this year about the existence of a surviving Nintendo PlayStation hybrid console that came from the two companies' short-lived partnership in 1988. A recent report from Engadget revealed a video of the prototype.

In their report, Engadget included an interview with the device's owners, the father-and-son duo of Terry and Dan Diebold. The elder Diebold said that he bought the prototype for $75 from a bankruptcy auction of a company, Advanta Corporation, where former Sony Interactive Entertainment CEO Olaf Olafsson worked.

"What you do is you take pictures, you itemize, and then they had an online auction," Diebold said of the bankruptcy, as quoted by Engadget. "And I had gotten into the auction myself because there were a few things I wanted to buy. So I knew what were in certain lots. And when they called out the certain lot number, I raised my panel and I ended up winning it."

The console was created as a branding for a Super Nintendo system, and to add the then new CD-ROM technology to the upcoming SNES console. The dispute between the two gaming giants stemmed from a money disagreement. According to the news outlet, "Sony allegedly wanted to keep all the money from CD licenses and then figure out royalties with Nintendo later."

Nintendo didn't take this too kindly. At the Chicago CES in 1991, Nintendo retaliated by surprisingly announcing its breakup with Sony in favor of Philips, Engadget wrote. Eventually, Sony went ahead on its own and improved the PlayStation console, Wired noted.

The hybrid console will be displayed and switched on at an upcoming retro gaming expo in Hong Kong, which the Diebolds will attend, Engadget noted. The console's cartridge port works well when a few standard Super Famicom games were inserted into it, but the unit's CD-ROM drive doesn't function.

During Engadget's interview with the Diebolds, the console was opened up by Restart Workshop's retro console technician, Daniel Cheung. He couldn't figure out why the CD drive isn't working, although he confirmed that it was receiving power.

"Definitely rare in the sense that I got to confirm its existence amid its controversy because word on the street is that this doesn't exist," Cheung answered when asked by Engadget if the prototype is the rarest console he ever took apart. "And there's even an OS. You can't question it. It can't be fake. Going back to the chips we saw earlier on the logic board: NEC used to make gaming consoles, and Sony also participated here. And with Nintendo as part of this team, you just can't discredit this."

Check out the prototype device's appearance and the Diebolds' full interview on Engadget.