Well now.

another accidental counter, hah

Sold with ~3 Keys in Sweets for a Dead Presidents Rotation Sensation(50 Keys), an Australium Pro KS Tomislav(~15 Keys) and a Vintage Pro KS Lugermorph(~7 Keys)(69 Keys total, Outlier)

http://backpack.tf/profiles/76561198060136479#!/compare/1463184000/1463270400

Sold for an Australium Spec KS Scattergun(~38 Keys at the time)

http://backpack.tf/profiles/76561198099481645#!/compare/1463011200/1463875200

Sold for 38 Keys*

http://backpack.tf/profiles/76561198003182128#!/compare/1463961600/1464048000

*28 keys were used to buy a Max's Head right after: http://backpack.tf/profiles/76561198090750997#!/compare/1463961600/1464048000

Sold with ~3.5 Keys in Sweets for a Steaming Pyromancer's Mask(49.5 Keys)(46 Keys total)

http://backpack.tf/profiles/76561198056080374#!/compare/1465862400/1465948800

http://backpack.tf/profiles/76561198129092116#!/compare/1465862400/1465948800

69 seems really high due to sellers at less, 38-46 Keys should be fine.

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