That was easier than I expected.

Sold for Cloud 9 Soldier's Slope Scopers(32 Keys) and a Cloud 9 Pirate Bandana(30.5 Keys, rounding to 31)(63 Keys total)

http://backpack.tf/profiles/76561198032176942/#!/compare/1457424000/1457510400

Sold for a Duped Searing Plasma Modest Pile of Hat(63 Keys)

http://backpack.tf/profiles/76561198133169142/#!/compare/1457856000/1458284400

Duped Searing Plasma Modest Pile of Hat mini suggestion

Sold for 63 Keys

http://backpack.tf/profiles/76561197961309499/#!/compare/1459123200/1459209600

Using 63.

Two sales, 63 Keys should be fine.

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