I found 2 sales.

Sale 1:

http://backpack.tf/profiles/76561198121960853#!/compare/1483488000/1483574400

~Sold for an 18 keys hat. I will not use this as low end, because the next sale is for pure, and it's more stable

Sale 2:

http://backpack.tf/profiles/76561198028140672#!/compare/1479340800/1479600000

Sold for 20 pure

~Thanks Jarool~

Sale 3:

http://backpack.tf/profiles/76561198136662317#!/compare/1484784000/1484870400

Dogger + Strange Airwolf Sniper Rifle (Well-Worn)(~2 I guess) + Strange Specialized Killstreak Degreaser(~1) + Genuine AWPer Hand(~1) + Strange Specialized Killstreak Festive Revolver(~1) + (Festive Knife + The Facepeeler(~1)) FOR Stormy Storm Boxcar Bomber

That makes the dogger 29 keys, I will round it to 30

Mini:

http://backpack.tf/profiles/76561198184814974#!/compare/1483920000/1484006400

Sold for Green Energy Janissary Ketche + 10 keys

Mini #2:

http://backpack.tf/profiles/76561198206324623#!/compare/1482192000/1482364800

Ketche+Strange Killstreak Quick-Fix(~1)+Strange Professional Killstreak Your Eternal Reward(~2) for Strange Specialized Killstreak Australium Sniper Rifle(~28)

SO finally

Ketche: 25 keys

Boxcar: Ketche+10=35 keys