Sale #1:

http://i.imgur.com/rR5Q6YD.png

http://www.tf2outpost.com/trade/28067128

https://backpack.tf/profiles/76561198121117093#!/compare/1460419200/1460505600

Sold for:

Blizz Sober (~12)

Australium Flame (18)

Starduster (4)

Strange Blood Botkiller Scattergun Mk.I (2)

Strange Professional Killstreak Rainblower (3)

Space Hamster Hammy (1)

12 + 18 + 4 + 2 + 3 + 1 = 40 keys; buyout was 36 keys

Sale #2:

http://www.tf2outpost.com/trade/28083447

https://backpack.tf/profiles/76561197995190105#!/compare/1460851200/1461024000

Sold for 28 keys? A bit low, either way. (Buyers counter this below)

Sale #3:

Probably SCM

https://backpack.tf/profiles/76561198093040833#!/compare/1459296000/1459382400

Classifieds:

http://i.imgur.com/Zk9zXJR.png

One seller at 36 keys

Buyers at 28, 27 keys