https://backpack.tf/profiles/76561197998939874#!/compare/1503792000/1503878400

GE Fedora (60) + duped N&B Phantom (15) = 75 keys

https://backpack.tf/profiles/76561198056810044#!/compare/1502841600/1502928000

Burning Billycock (67.5) = 68 keys

https://backpack.tf/profiles/76561198115721685#!/compare/1501891200/1501977600

https://backpack.tf/profiles/76561197970191143#!/compare/1472601600/1501977600

PE Airdog (45 seller for 17 days, he was reselling @45 aswell: http://www.tf2outpost.com/trade/29315216) + Aces Ballcap (18.5) + 4 keys = 68 keys

Ballcap mini

https://backpack.tf/profiles/76561197970191143#!/compare/1472601600/1501977600

Strange Gunslinger (buyers @18, 20 days seller @19. Taking 18.5 key)

as posted here:

http://www.tf2outpost.com/trade/29315218

https://backpack.tf/profiles/76561198128174720#!/compare/1501718400/1501804800

https://backpack.tf/profiles/76561198146527515#!/compare/1501718400/1501804800

Scorching Noir (72.5) = 73 keys

https://backpack.tf/profiles/76561198068731861#!/compare/1500940800/1501027200

https://backpack.tf/profiles/76561198128174720#!/compare/1500940800/1501027200

With ~8 keys for Scorching Noir (72.5) = 65 keys

https://backpack.tf/profiles/76561198068731861#!/compare/1499472000/1499558400

PE Beret (30) + Burning Mullet (3 months seller @38) + 7 keys = 75 keys

Summary

Sales @75, 75, 73, 68, 68, 65

9 days seller @70 in classies