Two SNES proto, one unreleased:
Super NES Nintendo “THE FIREMEN” proto
And it looks like a funny game! I wonder how far it went before being canned.
3 Japanese LE:
FAMITSU LIMITED EDITION GBP
StarFox competition cart:
Starfox Super Weekend
Atari 2600 PROMOTIONAL USE ONLY CONSOLE
Internal newsletter from 1978:
Atari ST Pong internal Newsletter – 1978
An unreleased part of a game for an unreleased system:
Atari Cosmos – Road Runner Prototype Holoptic Film
Much rarer than Superman! For your personal Cosmos.
Sega artwork for lunchbox & thermos:
ORIGINAL ART 1993 SONIC THE HEDGEHOG LUNCHBOX & THERMOS
PlayStation dev board:
SONY PLAYSTATION PS1 DEVELOPMENT BOARD DTL-H2500
Sega-Sonic comics artworks:
Sonic Hedgehog: Mutant League Original Painted Art
He has quite a lot of these up for auction.
Coleco product line folder:
Coleco PROMO AD FOLDER for shops