Party Beast.

Sold for a Strange Festive Medi Gun(20 Keys), a Strange Festive Spec KS Sniper Rifle(~12 Keys) and 16 Keys(48 Keys total)(B/O was 46)

http://backpack.tf/profiles/76561198140462480/#!/compare/1453104000/1453795200

http://www.tf2outpost.com/trade/27722893

Sold for 47 Keys

http://backpack.tf/profiles/76561198155459094/#!/compare/1454486400/1454659200

Sold for an Orbiting Fire Bruce's Bonnet(51 Keys) and ~9 Keys in Sweets(at the time)(56 Keys total)(B/O was 48)

http://backpack.tf/profiles/76561198172987227/#!/compare/1456473600/1456819200

http://www.tf2outpost.com/trade/27853720

Sold for a Purple Energy Vintage Merryweather(~45 Keys) and an Australium Pro KS Flame Thrower(~28 Keys)(B/O was 46)

http://backpack.tf/profiles/76561198095320741/#!/compare/1458950400/1459036800

http://www.tf2outpost.com/trade/27998985

Sold for a Stormy Storm Tyrant's Helm(28 Keys), a Stormy Storm Brigade Helm(16 Keys), a Blizzardy Storm Scotch Bonnet(12 Keys), and 2 Keys(58 Keys)

http://backpack.tf/profiles/76561198037947834/#!/compare/1456646400/1457164800

I would've considered 58 an outlier, but considering most of the sales would've been way more without the B/Os, i'm keeping it. 46-58 Keys should be fine.

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