Selling:

http://www.tf2outpost.com/trade/28644149 - b/o: 24 keys (6 days)

http://www.tf2outpost.com/trade/28652370 - b/o: 24 keys (1 day)

Sold:

http://www.tf2outpost.com/trade/28556544

http://backpack.tf/profiles/76561198056263590#!/compare/1478217600/1478649600 - sold with 2 keys for Miami Nights Frenchman's Beret = 20 keys b/o

http://www.tf2outpost.com/trade/28648080

http://backpack.tf/profiles/76561198130133220#!/compare/1480896000/1481328000 - sold for Strange Specialized Killstreak Australium Wrench = 19 keys

http://backpack.tf/profiles/76561198200011466#!/compare/1479340800/1480204800 - sold for duped Dead Presidents Hustler's Hallmark + 3 keys = 21 keys

Mini's:

duped Dead Presidents Hustler's Hallmark:

http://www.tf2outpost.com/trade/28619615

http://backpack.tf/profiles/76561198162380965#!/compare/1479168000/1479600000 - sold for Smoking Sergeant's Drill Hat + sweets = 18 keys b/o