These are original debug XBOXes that were used by developers to produce games.
There’s quite a few highlights on the systems, such as:
Beta version of san fransisco rush, named la rush.
ATV 3 near final
BMX 4 (unreleased)
MADE MAN (unreleased)
MANIC DRIVER and RACEX mini games from midway.
The cheapest starts at $100.00!
N64 Millenium 200 Controller – Sold for $495.00.