Selling:

http://www.tf2outpost.com/trade/28029560 - b/o: 130 keys (8 days)

http://www.tf2outpost.com/trade/28022781 - b/o: 160 keys (18 days)

http://www.tf2outpost.com/trade/27963959 - b/o: 160 keys (2 weeks)

Sold:

http://www.tf2outpost.com/trade/27945906 - sold for duped Burning Flames Le Party Phantom = 140 keys

http://www.tf2outpost.com/trade/27932340 - sold for Cloud 9 Virtual Viewfinder = 140 keys

http://www.tf2outpost.com/trade/27853650 - sold with sweets for Terror-Watt Antlers + sweets = 145 keys (b/o: 140 keys)

http://www.tf2outpost.com/trade/27637221 - sold for Stormy Storm Pugilist's Protector + Blizzardy Storm Brigade Helm + Terror Watt Milkman + TF Logo Prussian Pickelhaube + Kill a Watt Sergeant's Drill Hat + Green Energy Backbiter's Billycock + Green Blackhole Pirate Bandana = 173 keys (outlier)

Mini's:

duped Burning Flames Le Party Phantom:

http://www.tf2outpost.com/trade/27983577 - b/o: 140 keys

Blizzardy Storm Brigade Helm:

http://backpack.tf/profiles/76561198217100151/#!/compare/1459123200/1459555200 - sold with sweets for 19 keys = 16 keys

Kill-a-Watt Sergeant's Drill Hat:

can't track any sales so taking as 26 keys