Selling:

http://www.tf2outpost.com/trade/27799756 - b/o: 49 keys (unsold for 5 days)

http://www.tf2outpost.com/trade/27710063 - b/o: 50 keys (unsold for 3 weeks)

http://www.tf2outpost.com/trade/27807823 - b/o: 50 keys (unsold for 3 days)

http://www.tf2outpost.com/trade/27825719 - b/o: 50 keys (unsold for 6 hours)

http://www.tf2outpost.com/trade/27607979 - b/o: 45 keys (unsold for 1 month)

Sold:

http://backpack.tf/profiles/76561198150290787?time=1454313600&compare=1454400000 - sold for Death at Dusk Greased Lightning = 60 keys (outlier)

http://www.tf2outpost.com/trade/27743631 - sold for Circling Heart Furious Fukaamigasa = 52 keys (b/o: 50 keys)

http://www.tf2outpost.com/trade/27538136 - sold for 42 keys + 10 ref = 43 keys

http://www.tf2outpost.com/trade/27583966 - sold for Green Energy Grenadier's Softcap + 9 keys = 45 + 9 = 54 keys (b/o: 50 keys)

Mini's:

Circling Heart Furious Fukaamigasa:

http://www.tf2outpost.com/trade/27766370 - sold with Strange Diamond Botkiller Rocket Launcher Mk.I for Circling Heart Scotsman's Stove Pipe + Strange Professional Killstreak Stickybomb Launcher w/ parts = (50 + 8) - 2 = 56 keys (b/o: 52 keys)