Many Game Boy protos today!

Check this auction:

Came Boy prototype LOT!!

Empty carts? Filled with games? Who knows!
I presume that the seller bought them from Midway.

Gameboy DIABLO unreleased dev cart ENDED

Ok, it has already ended, but I think that you may be interested to check this auction anyway.
EDIT: the owner, our nice Borman, has just received the proto and posted a detailed article on HIS WEBSITE!
Enjoy!

N64 def manual:
Nintendo 64 Sound Development Manual

Repair center manual…copy of:
COPY OF Super Nintendo SNES Test Procedure Guide NTF 2.5

The usual and expensive Starwing SNES PAL Competition Cart

An interesting Game & Watch related auction:
Nintendo Game & Watch : POKKA MARIO BROS

Seiken Densetsu 3 (sample) Super Famicom
This is not the known “ROM” cart. I doubt that it has many other differences than the SAMPLE stamp.

Some art:
Donkey Kong Cereal Mario Bros Animation Drawing

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Dream Stars Japan has lowered the prices on the rare Hu-Cards:
Hu Cards SPECIAL VERSION prices lowered