It's a nice hat, but most people don't seem to want to keep it or buy it at the price it is right now or even lower than that; 13 exist and 9 are on outpost.

( http://www.tf2outpost.com/search/191597376 )

B/O of 5 Buds

http://www.tf2outpost.com/trade/17879873 - It's very new, I know, but it hasn't been sold yet, so 5 buds isn't an instant steal

http://www.tf2outpost.com/trade/17770494 - 3 days - a sad offer of 2 buds... but that is what someone is willing to pay.

B/O of 6+ Buds

http://www.tf2outpost.com/user/38967 - Has had for about a week.

http://www.tf2outpost.com/trade/15561224 - 3 months

http://www.tf2outpost.com/trade/12692445 - 6 months - Highest recent offer (dead president Samur-eye - 4.3-4.8)

Solds in the past month

http://www.tf2outpost.com/trade/17303182 - Seems to have been sold for around 100 Keys to fund his new unusuals

http://www.tf2outpost.com/trade/17251212 - Seems to have sold for Sunbeams Stout Shako - priced 4.3-4.7

Highest offers for other Unusual War Pigs for sale.

http://www.tf2outpost.com/trade/17462987 - Aces high Infernal Impaler

http://www.tf2outpost.com/trade/17747192 - Sulphurous Towering Titanium (4 month old price of 6.3-7.4) - retracted

http://www.tf2outpost.com/trade/17175372 - Cloud 9 Steel Shako+ (2 weeks ago)

http://www.tf2outpost.com/trade/17756210 - Disco Beat Down Das Naggenvatcher for Aces War Pig + Blizzard Galv. Gibus (8.2-8.5) - (Sold to someone else)

I'm not sure this is enough to verify, but please tell me if it's no good :)

http://www.tf2outpost.com/trade/17879873 - was sold for Cloud 9 L'homme Burglerre (5-6). The new owner of the Aces War Pig is now quickselling for 4 Buds + 8 Keys - http://www.tf2outpost.com/trade/17905181 (Just a note, not added to change anything)