Teeny Tiny Cat is my new bae for life <3

Sale 1:

Sold for 24 keys pure

http://www.tf2outpost.com/trade/25457914

Seller Before: http://backpack.tf/profiles/76561198041701993?time=1427612400

Seller After: http://backpack.tf/profiles/76561198041701993?time=1427871600

Sale 2:

Sold with a Disco Beat Down Familiar Fez plus ~12 keys of sweets for 46 keys plus ~9 keys of sweets

(9*0.9) + 46 - 12 - 17 = 25.1 rounding to 25 keys

http://www.tf2outpost.com/trade/25344651 & http://www.tf2outpost.com/trade/25344647

Seller Before: http://backpack.tf/profiles/76561198060117460?time=1426662000

Seller After: http://backpack.tf/profiles/76561198060117460?time=1426921200

Sale 3:

Sold with a Smoking Frenchman's Beret for a Bubbling Deep Cover Operator

(46*0.9) - 15 = 26.4 rounding to 26 keys

http://www.tf2outpost.com/trade/25609370

Seller Before: http://backpack.tf/profiles/76561198095437608?time=1428303600

Seller After: http://backpack.tf/profiles/76561198095437608?time=1428390000

Sale 4: (outlier, quicksell)

Sold for a Smoking Trophy Belt plus 2 keys

(16.5*0.9) + 2 = 16.85 rounding to 17 keys

http://www.tf2outpost.com/trade/24820124

Seller Before: http://backpack.tf/profiles/76561198053739152?time=1422172800

Seller After: http://backpack.tf/profiles/76561198053739152?time=1422259200

Conclusion:

Sales at 24, 25, 26 and a quick sell at 17. Taking the final range at 24 to 26 keys.