Chrome Collector's items!
Chrome Bodyparts and Chrome heads
They are STRICTLY collector's items. They apparently don't work in game anymore.
Here is how they look
With that being said
for Chrome bodyparts:
Starting bid: 100K
Min raise: 1K
Autobuy: 250K
for Chrome head:
Starting bid: 50K
Min raise: 1K
Autobuy: 100K
Auction ends 12 hours past the last offer on either items.