Uncraftable Dead Cone
Normally usable in crafting, this item is uncraftable, also known as 'dirty'. For a short amount of time you could receive this item from the Mann Co. Package as uncraftable. This was a glitch because the weapon was never available in the Mann Co Store.
There are 16 known instances of tradable 'dirty' Unique Dead Cone.
The Dead Cone
Team Fortress 2 Level 64 Hat
You'll stop them dead wearing this stylish traffic cone.
( Not Usable in Crafting )