8 months outdated. Resuggesting, calling the 4.3 buds sale and 4.5 buds sale as outlier due to the shear number of 4 buds seller.

http://backpack.tf/vote/id/53cfe8a24cd7b8c97a8b4569

Sale #1

http://www.tf2outpost.com/trade/18573032

Sold for level 1 max(2.8 buds) + ~6.6 keys in Sweets + 3 keys + 8.33 refs

Backpack of seller

http://backpack.tf/profiles/76561198043664503?time=1401433200 Before

http://backpack.tf/profiles/76561198043664503?time=1401778800 After

Backpack of buyer

http://backpack.tf/profiles/76561198088290512?time=1401692400 before

http://backpack.tf/profiles/76561198088290512?time=1401810484 After

Total: ~3.4 buds

Sale #2(Outlier)

http://www.tf2outpost.com/trade/20152093

http://www.tf2outpost.com/trade/20110217

Sold for Glengarry Bonnet Haunted Ghosts(2.3 buds) + Haunted Ghosts Bonk Helm(1.95 buds) + ~0.66 refs in Sweets

Backpack of seller

http://backpack.tf/profiles/76561198088290512?time=1401865200 before

http://backpack.tf/profiles/76561198088290512?time=1401951600 After

Backpack of buyer

http://backpack.tf/profiles/76561198044033706?time=1401606000 before

http://backpack.tf/profiles/76561198044033706?time=1401962865 After

Total: ~4.3 buds

Sale #3(Outlier)

http://www.tf2outpost.com/trade/21108989

Traded this + Samur-Eye Orbiting Fire(1.25 buds) for cloud 9 war pig(6.3 * 0.9 = ~5.7 buds)

Backpack of seller

http://backpack.tf/profiles/76561198044033706?time=1405234800 Before

http://backpack.tf/profiles/76561198044033706?time=1405321200 after

Backpack of buyer

http://backpack.tf/profiles/76561197970651610?time=1405234800 Before

http://backpack.tf/profiles/76561197970651610?time=1405378118 After

Total: ~4.5 buds

Invalid sales

Sale #4(Complex)

http://www.tf2outpost.com/trade/20139247

http://www.tf2outpost.com/trade/20209274#latest

Sold for multiple hats.

Sale #5

http://www.tf2outpost.com/trade/21275474

Traded this + Haunted Ghosts Jumper's Jeecap for Poisoned Shadow Salty Dog(Not priced)

Current seller

http://www.tf2outpost.com/trade/21310131 b/o 4 buds

http://www.tf2outpost.com/trade/21251791 b/o 4 buds

http://www.tf2outpost.com/trade/19766707 b/o 4 buds

http://www.tf2outpost.com/trade/21422990 b/o 4 buds

http://www.tf2outpost.com/trade/21015179 b/o 4 buds