Sellers:

https://marketplace.tf/items/30646;5;u97

https://backpack.tf/item/4205350814

http://www.tf2outpost.com/trade/29218988 - b/o: $194.60 = 94 keys

http://imgur.com/a/Mi9nw - b/o: 62 keys (1 month)

Sold:

https://backpack.tf/profiles/76561197970538347#!/compare/1491868800/1492041600 - sold with Holy Grail Taunt: Spent Well Spirits (35) + Frostbite Janissary Ketche (20) for Spellbound Medic's Mountain Cap (114) = 59 keys

http://www.tf2outpost.com/trade/28894680

https://backpack.tf/profiles/76561198060375373#!/compare/1493078400/1493164800 - sold for It's A Secret To Everybody Counterfeit Billycock (70) = 70 keys

https://backpack.tf/profiles/76561198135747549#!/compare/1492992000/1493078400 - bulk

http://www.tf2outpost.com/trade/28902365

https://backpack.tf/profiles/76561198045688371#!/compare/1493942400/1494115200 - scm

http://www.tf2outpost.com/trade/28835978

https://backpack.tf/profiles/76561197967159739#!/compare/1491436800/1491523200 - sold for 70 keys

http://www.tf2outpost.com/trade/29176681

https://backpack.tf/profiles/76561198010763813#!/compare/1494547200/1494633600

https://backpack.tf/profiles/76561198054758757#!/compare/1494547200/1494633600 - sold for 30 keys ?

https://backpack.tf/profiles/76561198171021285#!/compare/1493856000/1493942400 - bulk

https://backpack.tf/profiles/76561198338556449#!/compare/1493424000/1493510400

https://backpack.tf/profiles/76561198171021285#!/compare/1493424000/1493510400 - sold for Green Energy Bombing Run + ?

Conclusion:

sales at 59, 70, 70

taking 60-70 keys