[Proof below] 1 of 1 hat, 1 on the market. Overpay is calculated by taking the lower-end price.

Sale

http://www.tf2outpost.com/trade/13121580 - For Bubbling Anger (~ 1.8 buds) + 1 bud = 2.8 buds

Active Trade

http://www.tf2outpost.com/trade/13123686 - 2 days old

Offers:

Die Job Spell (+ 4 keys added to value) Steaming Defiant Spartan (~ 1.3 buds) + Orbiting Fire Tippler's Tricorne (~ 17 keys) = ~ 2.1 buds

Searing Plasma Backbitter's Billycock (~ 20 keys) + 8 keys = ~ 1.3 buds (declined)