Extremely rare original Gameboy’s.
1. The cow. A small amount were given away in a sweepstakes by the MILKA Chocolate Corporation of Germany. That’s their logo painted on the case.
2. The Mini Comboy. Due to legal reasons, Nintendo wasn’t able to produce their products in Koria and as a result another company made them under the name Mini Comboy.
3. The Toyota Gameboy was given out with the purchase of a certain model Toyota car for a limited time in Japan.
4. The White Gameboy was a Japan exclusive with a very small run.