RARE Vintage Japanese Bright Red Tin Porsche Carrera RS Friction Car Toy/Model

For sale is a rare vintage Porsche toy car that was manufactured in Japan. This is a metal/tin car with clear plastic windows and rubber tires. There is a friction motor on the inside of the car that is the type where you quickly roll the wheels forward and then set the car down while they're still spinning, it travels quite the distance for a toy car. These mechanical pieces still function despite their age. Details about the item are below:
Origin: N/A
Character(s): N/A
Category: Model/Toy Car
Manufacturer: Unknown
Series/Collection: Unknown/Unspecified
Scale/Size: 6.5in long, 3.5in wide, 2.5in tall
Defects: None
Other Notes: Besides recognizing this is a Porsche, I really don't know anything about cars/model cars. While I could find a single archived image of the Black Knight paint job version of this toy Porsche, I could find absolutely no proper documentation or information pertaining to this toy. If you know more about this toy please let me know!