Selling:

http://www.tf2outpost.com/trade/28170545 - b/o: 200 keys (1 week)

Sold:

http://www.tf2outpost.com/trade/28111143

http://backpack.tf/profiles/76561198246920430#!/compare/1461542400/1461628800 - sold for Strange Professional Killstreak Conniver's Kunai + duped Molten Mallard Deep Cover Operator + Strange Australium Knife + sweets = 138 keys

http://www.tf2outpost.com/trade/28092222

http://backpack.tf/profiles/76561198065436693#!/compare/1461196800/1461369600 - sold for Purple Energy Slo-Poke + Strange Professional Killstreak Australium Rocket Launcher = 180 keys b/o

http://www.tf2outpost.com/trade/27944789

http://backpack.tf/profiles/76561198081399403#!/compare/1458284400/1458370800 - sold for Harvest Moon Backwards Ballcap + 9 keys = 229 keys (outlier)

Mini's:

duped Molten Mallard Deep Cover Operator:

no recent sales taking 76 keys

Purple Energy Slo-Poke:

http://www.tf2outpost.com/trade/28108545

http://backpack.tf/profiles/76561198065436693#!/compare/1463097600/1463184000 - sold for Burning Flames Dr's Dapper Topper + Disco Beat Down Hustler's Hallmark + 15 keys = 130 keys b/o

Harvest Moon Backwards Ballcap:

http://www.tf2outpost.com/trade/28084997

http://backpack.tf/profiles/76561198085957719#!/compare/1461542400/1461715200 - sold for Cloudy Moon Killer's Kabuto = 220 keys