Sale 1:

Sold for Neutron Star Human Cannonball

http://backpack.tf/profiles/76561198041368829#!/compare/1477785600/1477872000

Sale 2:

Sold for Infernal Smoke Taunt: The Fubar Fanfare

http://backpack.tf/profiles/76561198044539598#!/compare/1478390400/1478476800

Sale 3:

Sold for Bubbling Pencil Pusher + Orbiting Planets Brainiac Hairpiece + 1 key, 40 keys total

http://backpack.tf/profiles/76561198044539598#!/compare/1478822400/1478908800

Pencil and Brainiac were bought for 39 keys pure:

http://backpack.tf/profiles/76561198121326368#!/compare/1475366400/1475625600

Sale 4:

Sold for Blizzardy Storm Dr's Dapper Topper (40) + Cloud 9 Nanobalaclava (17), 57 total

http://backpack.tf/profiles/76561198132218820#!/compare/1478822400/1478995200

Nano mini:

Seller for 19, unsold at current price

https://i.gyazo.com/1b64c415e724d983bd5121534d158701.png

Sold for Vintage Professional Killstreak Fan O'War (17)

http://backpack.tf/profiles/76561198110399905#!/compare/1479081600/1479168000

Fan:

https://i.gyazo.com/0d541378454f6076d6d26d2c8c1ffb2f.png

Sale 5:

Sold for Arcana Engineer's Cap

http://backpack.tf/profiles/76561198091986289#!/compare/1478822400/1478908800

Sale 6:

Bulk

http://backpack.tf/profiles/76561198044431210#!/compare/1477785600/1478476800

Sale 7:

Sold for Tesla Coil Nasty Norsemann

http://backpack.tf/profiles/76561198085278322#!/compare/1478736000/1478822400

Sale 8:

Bulk

http://backpack.tf/profiles/76561198085278322#!/compare/1478908800/1478995200

Sale 9:

Sold for Starstorm Slumber Hat With No Name

http://backpack.tf/profiles/76561198045710515#!/compare/1479081600/1479340800

Sale 10:

Sold for Infernal Smoke Taunt: The Meet the Medic

http://backpack.tf/profiles/76561198066177907#!/compare/1478649600/1478822400

Sale 11:

Sold for Duped Purple Energy Football Helmet (24) + Disco Beat Down Large Luchadore (34) + ~13 keys in sweets, 71 total

http://backpack.tf/profiles/76561198224568740#!/compare/1479168000/1479254400

Mini for Luchadore:

Sold for 24 keys + Professional Killstreak Australium Frontier Justice (11 keys), 34 total

http://backpack.tf/profiles/76561198021697319#!/compare/1475366400/1475452800

Mini for Helmet:

Sold for Cloud 9 Mann of Reason (25) + 4 keys in sweets, 29 total

http://backpack.tf/profiles/76561198153088409#!/compare/1477958400/1478044800

Sales at 40, 57, 71

40 is low outlier, capping at 57-71