I have a Mother 3 deluxe box brand new for sale or trade.  Pictures can be seen here.

I also have the following games for sale:

SNES

Return of the Jedi
Zelda a link to the past
Mario Kart
ChopLifter

N64
Majora's mask
NFL Blitz

NES

Mario 2
Mario 3
Metroid
Mike Tysons punchout
Darking wing duck
Megaman 2

I am looking for Test carts, prototypes or any NES or N64 on the corresponding list