ALL CREDITS TO MINDACOS!

Miami Nights Elf Esteem

Sold for a Magnetic Hat Protector Head Full of Hot Air(14.5 Keys, round to 15)

http://backpack.tf/profiles/76561198139335132#!/compare/1491004800/1491177600

Sold for an Orbiting Fire Prancer's Pride(11.5 Keys, round to 12) and ~3 Keys in Sweets(15 Keys total)

http://backpack.tf/profiles/76561198193710729#!/compare/1490918400/1491004800

Sold for a Purple Confetti Crocleather Slouch(14 Keys)

http://backpack.tf/profiles/76561198156102793#!/compare/1491004800/1491091200

http://www.tf2outpost.com/trade/28855824

Sold for an Australium Force-a-Nature(10 Keys) and ~1 Key in Sweets(11 Keys total)

http://backpack.tf/profiles/76561198251502680#!/compare/1491350400/1491523200

Sold for a Terror-Watt Nanobalaclava(12 Keys)

http://backpack.tf/profiles/76561198145393210#!/compare/1491264000/1491523200

http://backpack.tf/item/5380555837

Added 4 Keys for a Kill-a-Watt Mann of Reason(14 Keys)(10 Keys total, Outlier)

http://backpack.tf/profiles/76561198320285393#!/compare/1491868800/1491955200

Sold for a Strange Pro KS Rocket Launcher(~12 Keys)

http://backpack.tf/profiles/76561198157928445#!/compare/1491350400/1491436800

12-15.