Apparently Holy Grail is god tier or something.

Sold for 3 Buds

http://backpack.tf/profiles/76561198050541003?time=1403881576 -> http://backpack.tf/profiles/76561198050541003?time=1404543600

http://www.tf2outpost.com/trade/20753026

Sold for 3 Buds

http://backpack.tf/profiles/76561198109361696?time=1405321200 -> http://backpack.tf/profiles/76561198109361696?time=1405551922

Sold for a Terror-Watt Bubble Pipe(2.6 with Overpay)

http://backpack.tf/profiles/76561197989312558?time=1403247600 -> http://backpack.tf/profiles/76561197989312558?time=1404010640

Sold for a Dead Presidents A Rather Festive Tree(2.7 with Overpay)

http://www.tf2outpost.com/item/440,2792334992,341,5 Tree History

http://www.tf2outpost.com/item/440,2727635724,1117,5 Battin' History

Two sales at 2.6-2.7, and two sales at 3. 2.6-3 sounds fair.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.