Selling:

http://www.tf2outpost.com/trade/27541862 - b/o: 33 keys (2 months)

http://www.tf2outpost.com/trade/27871221 - b/o: 30 keys (5 days)

http://www.tf2outpost.com/trade/27882376 - b/o: 33 keys (3 days)

http://www.tf2outpost.com/trade/27873700 - b/o: 33 keys (5 days)

Sold:

http://backpack.tf/profiles/76561198091555180/#!/compare/1453795200/1454054400 - sold for duped Orbiting Fire Le Party Phantom = 28 keys

http://www.tf2outpost.com/trade/27842317 - sold for peace phantom = 29 keys

http://www.tf2outpost.com/trade/27674566 - sold for Kill-a-Watt Conjurer's Cowl + 12 keys = 29 keys

http://www.tf2outpost.com/trade/27750571 - sold for Vivid Plasma Frenchman's Beret = 39 keys (outlier)

http://backpack.tf/profiles/76561198017223477/#!/compare/1452240000/1452412800 - sold for Circling TF Logo White Russian = 27 keys

Mini's:

duped Orbiting Fire Le Party Phantom:

http://www.tf2outpost.com/trade/27791826 - sold for 28 keys

Kill-a-Watt Conjurer's Cowl:

http://www.tf2outpost.com/trade/27747621 - sold for Purple Confetti Grimm Hatte = 17 keys