And here's this.

Sold with ~6 Keys in Sweets for a Scorching Flames Shooter's Sola Topi(41 Keys)(35 Keys total, Outlier)

http://backpack.tf/profiles/76561198196685086#!/compare/1463875200/1464134400

http://backpack.tf/profiles/76561198258578200#!/compare/1463961600/1464048000

Sold for a Stormy Storm Noble Amassment of Hats(24 Keys)

http://backpack.tf/profiles/76561198064398375#!/compare/1464220800/1464307200

Sold for a Blizzardy Storm Batter's Helmet(21 Keys) and Earbuds(~2.5 Keys)(23.5 Keys total, rounding to 24)

http://backpack.tf/profiles/76561198094135653#!/compare/1464307200/1464393600

Sold for an Isotope Blue Mew SMG(Well-Worn)(16.5 Keys, rounding to 17) and 1 Key in refined(18 Keys total, Outlier)

http://backpack.tf/profiles/76561198064398375#!/compare/1464048000/1464134400

http://backpack.tf/profiles/76561198258578200#!/compare/1464048000/1464134400

35 is too high, 18 is too low. 24 Keys should be fine.

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