Here comes my trump card.

No, not that kind of trump.

Sold with ~3 Keys in Sweets for Disco Beat Down Tough Stuff Muffs(57.5 Keys) and an It's A Secret to Everybody Pugilist Protector(36.5 Keys)(91 Keys total)

http://backpack.tf/profiles/76561198078986177/#!/compare/1459641600/1459728000

Sold for a Kill-a-Watt Pyromancer's Mask(66 Keys) and ~8 Keys in Sweets(74 Keys total)

http://backpack.tf/profiles/76561198066913399/#!/compare/1459814400/1459900800

Two sales, 74-91 Keys should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.