Sellers:

http://www.tf2outpost.com/trade/29262828 - b/o: 160 keys (1 day)

Sold:

https://marketplace.tf/items/101;5;u14 - sold for $293 = 142 keys

https://backpack.tf/profiles/76561198048792033#!/compare/1499299200/1499385600 - sold for Scorching Flames Noble Amassment of Hats (110) + Starstorm Insomnia Universal Translator (33) + 10 keys = 153 keys

http://imgur.com/EEdj4e7

http://www.tf2outpost.com/trade/29250827

https://backpack.tf/profiles/76561198253931705#!/compare/1499385600/1499472000

https://backpack.tf/profiles/76561198053747026#!/compare/1499385600/1499472000 - sold for Spellbound Hermes (110) + Fountain of Delight Taunt: The Boston Breakdance (80 but seller at 58 keys for a month in classies) + 25 keys + sweets (7) = should easily cap at 160 keys b/o

Credits to googlies9

http://www.tf2outpost.com/trade/29022231

https://backpack.tf/profiles/76561197961170308#!/compare/1498867200/1498953600

https://backpack.tf/profiles/76561198104975933#!/compare/1498953600/1499040000 - sold for duped Burning Flames Trophy Belt (115) + 5 keys = 120 keys

Mini's:

duped Burning Flames Trophy Belt:

https://backpack.tf/profiles/76561198094964657#!/compare/1498435200/1498521600 - sold for Circling Peace Sign Blighted Beak (62) + Sunbeams Tough Guy's Toque (53) = 115 keys

Conclusion:

sales at 120, 142, 153, 160

taking 120-160 keys