Collector's Troublemaker's Tossle Cap
This item was last sold for 650 Keys and an Ominous Stare Herald's Helm. In total, around 1040 Keys. It is currently listed on Marketplace.tf for $2,000.
It is the only one known in existence.
Collector's Troublemaker's Tossle Cap
Team Fortress 2 Level 92 Hat
Style: New School
Paint Color: A Distinctive Lack of Hue
Straight outta control point.