Uh.

Sold for a Frostbite Big Elfin' Deal and a Blizzardy Storm Noble Amassment of Hats(Definitely over 20 Keys, outdated or not)(B/O was 20)

http://backpack.tf/profiles/76561198049019268?time=1428303600 -> http://backpack.tf/profiles/76561198049019268?time=1428562800

http://backpack.tf/profiles/76561198085551886?time=1428542307 -> http://backpack.tf/profiles/76561198085551886?time=1428562800

http://www.tf2outpost.com/trade/25649604

Sold for a Dead Presidents Head Warmer(41 Keys with Overpay)(B/O was 20 Keys)

http://backpack.tf/profiles/76561197968255747?time=1425715200 -> http://www.tf2outpost.com/trade/24821027

http://www.tf2outpost.com/trade/25291195

Dead Presidents Head Warmer mini suggestion

Sold for a Steaming Modest Pile of Hat(38 with Overpay) and 10 Keys

http://backpack.tf/profiles/76561198072029369?time=1429226756 -> http://backpack.tf/profiles/76561198072029369?time=1429254000

Definitely above 20 Keys.

Sales are capped by B/Os, 20 Keys should be fine.

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