4 months outdated.

Sale #1

http://www.tf2outpost.com/trade/19563642

Traded this + Bill's hat(6 keys) + Fast Learner(2.66 refs) for Haunted Ghosts Data Mining Light(2.45 * 0.9 = ~2.2 buds)

backpack of seller

http://backpack.tf/profiles/76561198100962720?time=1398841200 Before

http://backpack.tf/profiles/76561198100962720?time=1398927600 After

Backpack of buyer

http://backpack.tf/profiles/76561198057949993?time=1398322800 Before

http://backpack.tf/profiles/76561198057949993?time=1399007306 After

Total: ~1.9 buds

Sale #2

http://www.tf2outpost.com/trade/20167502

Sold for 32 keys

Backpack of seller

http://backpack.tf/profiles/76561198057949993?time=1402642800 Before

http://backpack.tf/profiles/76561198057949993?time=1402729200 After

Backpack of buyer

http://backpack.tf/profiles/76561198091706202?time=1402642800 Before

http://backpack.tf/profiles/76561198091706202?time=1402770527 After

http://imgur.com/5HX30WE (Credits to c0rn!x for the screenshot)

Total: ~1.9 buds

Sale #3(Outlier)

http://www.tf2outpost.com/trade/19408362

Traded this + Gentleman's Gatsby Searing Plasma(~1.25 buds) + 25 keys for Miami Nights Charmer's Chapeau(6.05 * 0.9 = ~5.4 buds)

Backpack of seller

http://backpack.tf/profiles/76561198071039381?time=1398276432 Before

http://backpack.tf/profiles/76561198071039381?time=1398322800 After

Backpack of buyer

http://backpack.tf/profiles/76561198086238785?time=1398236400 Before

http://backpack.tf/profiles/76561198086238785?time=1398407459 After

Total: ~2.9 buds

Sale #4

http://www.tf2outpost.com/trade/19782518

Sold for 2 buds + 2 keys

Backpack of seller

http://backpack.tf/profiles/76561198024085240?time=1400482800 Before

http://backpack.tf/profiles/76561198024085240?time=1400569200 After

Backpack of buyer

http://backpack.tf/profiles/76561198039839781?time=1400482800 Before

http://backpack.tf/profiles/76561198039839781?time=1400603791 After

Total: 2.1 buds. However, since the seller's b/o is 2 buds. Taking 2 buds as price.

Invalid sales

Sale #5(Quicksale)

http://www.tf2outpost.com/trade/19447692 b/o 1.5 buds

Can't identify the sale

Sale #6

http://www.tf2outpost.com/trade/19644226 b/o 1.8 buds

Can't identify the sale