Sales supporting the price:

Sale 1:

Sold for Searing Plasma Hottie's Hoodie

http://www.tf2outpost.com/trade/27729540 - No B/O

Seller: http://backpack.tf/profiles/76561198076020691/#!/compare/1453795200/1453881600

Buyer: http://backpack.tf/profiles/76561198019254407/#!/compare/1453795200/1453881600

X = 22

Hottie's Hoodie Mini:

http://backpack.tf/vote/id/56d2fdc8b98d88bb2ef9dff9 - Credit to Maximus

Sale 2:

Sold for 20 keys

http://www.tf2outpost.com/trade/27808590 - States what it sold for in the notes (like a legend)

Seller: http://backpack.tf/profiles/76561197993075247/#!/compare/1455264000/1455350400

Buyer: http://backpack.tf/profiles/76561197993258470/#!/compare/1455350400/1455523200

X = 20

Sale 3:

Appears to have quicksold with TF Logo Tavish Degroot Experience for 40 keys

http://www.tf2outpost.com/trade/27801352 - No B/O

Seller: http://backpack.tf/profiles/76561198063913412/#!/compare/1454659200/1454745600

Buyer: http://backpack.tf/profiles/76561197993075247/#!/compare/1454659200/1454745600

The sale appears to have happened between 1-2 days

The Tavish Degroot is currently priced at 22, so 40 - 22 = 18, but this is countered by buyers:

http://www.tf2outpost.com/trade/27173420 (this is the first buyer I clicked on, there are most likely more than just this one)

Additional Sales:

Sale 4:

Unsure what it sold for

Seller: http://backpack.tf/profiles/76561198019254407/#!/compare/1453795200/1453881600

Buyer: http://backpack.tf/profiles/76561198155927905/#!/compare/1453795200/1453881600

Sale 5:

Bulk for Roboactive Steel Toe

Seller: http://backpack.tf/profiles/76561198071601053/#!/compare/1454227200/1454313600

Buyer: http://backpack.tf/profiles/76561198063913412/#!/compare/1454227200/1454313600

Sale 6:

Massive bulk sale for keys

http://www.tf2outpost.com/trade/27816553

Seller: http://backpack.tf/profiles/76561198057412106/#!/compare/1454832000/1454918400

Buyer: http://backpack.tf/profiles/76561198096389539/#!/compare/1454832000/1454918400

Sale 7:

Looks like another bulk sale

No outpost link available

Seller: http://backpack.tf/profiles/76561198119341815/#!/compare/1454140800/1454227200

Buyer: http://backpack.tf/profiles/76561198057412106/#!/compare/1453795200/1454227200

Sellers:

20 keys:

http://puu.sh/nqvpT/ce1e108778.png

22 keys:

http://www.tf2outpost.com/trade/27893721

25 keys:

http://puu.sh/nqvrL/212312d283.png - 9 days

Sales at

18 (countered by buyer(s))

20

22

Going with 20-22