Selling:

http://www.tf2outpost.com/trade/28188975 - b/o: 13 keys (1 week)

http://www.tf2outpost.com/trade/28204163 - b/o: 20 keys (2 days)

http://www.tf2outpost.com/trade/28192170 - b/o: 17 keys (1 week)

Sold:

http://backpack.tf/profiles/76561198196700867#!/compare/1461801600/1461888000 - sold with 4 keys for Cloud 9 Tartan Spartan = 15 keys

http://www.tf2outpost.com/trade/28111964

http://backpack.tf/profiles/76561198156573550#!/compare/1461715200/1461801600 - sold for 4 keys + items = 10 keys (outlier)

http://www.tf2outpost.com/trade/28108001

http://backpack.tf/profiles/76561198103047421#!/compare/1461456000/1461542400 - sold for 2 keys + items = 13 keys b/o

http://backpack.tf/profiles/76561198120420659#!/compare/1461369600/1462060800 - sold for Disco Beat Down Magnificent Mongolian = 14 keys

http://www.tf2outpost.com/trade/28102531

http://backpack.tf/profiles/76561198120420659#!/compare/1461024000/1461369600 - sold for Orbiting Planets Sultan's Ceremonial + 1 key + sweets = 13 keys

http://backpack.tf/profiles/76561198166855771#!/compare/1460246400/1460678400 - sold for Dead Presidents Big Elfin Deal = 15 keys

Mini's:

Cloud 9 Tartan Spartan:

http://backpack.tf/profiles/76561198168316519#!/compare/1462924800/1463011200

http://backpack.tf/profiles/76561198044180589#!/compare/1462924800/1463011200 - sold with 6 keys + sweets for Phosphorous Counterfeit Billycock = 19 keys

Orbiting Planets Sultan's Ceremonial:

http://www.tf2outpost.com/trade/28181662 - sold for 10 keys