So low.

Sale 1: Involved in bulk

http://backpack.tf/profiles/76561198171930022#!/compare/1459728000/1459814400

Sale 2: Sold with Strange Professional Killstreak Festive Ubersaw+Strange Specialized Killstreak Original for Max's Severed Head

http://backpack.tf/profiles/76561198156471516#!/compare/1461801600/1461888000

would make the slick cut low, not using this.

Sale 3: Sold for Miami Nights Defiant Spartan[22 keys via mini]+Taunt: Soldier's Requiem[1.4 keys]

http://backpack.tf/profiles/76561198156471516#!/compare/1461542400/1461628800

22+1.4=23.4 rounding to 23 keys

Mini on Spartan: http://backpack.tf/suggestion/5733ea4a83de6b195155ccc6

I have a sale at 23, making this 23 keys flat.