Sale 1:

https://backpack.tf/profiles/76561198051061026#!/compare/1527984000/1528070400

https://backpack.tf/profiles/76561198040422638#!/compare/1525392000/1528070400

Sold for 75 keys.

Sale 2:

https://backpack.tf/profiles/76561198080310253#!/compare/1527033600/1527206400

https://backpack.tf/profiles/76561198051061026#!/compare/1527033600/1527120000

Not fully traceable.

Sale 3:

https://backpack.tf/profiles/76561198198079765#!/compare/1526860800/1526947200

https://backpack.tf/profiles/76561198080310253#!/compare/1526860800/1526947200

Sold for D@D Ground Control

Using there.

Sale 4:

https://backpack.tf/profiles/76561198258264645#!/compare/1526774400/1526860800

https://backpack.tf/profiles/76561198198079765#!/compare/1526774400/1526860800

Sold for keys, then sold with C9 Burglerre + G Fetti Deep Cover for Slumber KE(120)

Deep Cover Mini:

https://backpack.tf/suggestion/5b114654cf6c7505cd37feca

Failed suggestion here, taking used sales of 46, 49. Copying 3rd sale from comments.

http://www.tf2outpost.com/trade/29687628 49 b/o

https://backpack.tf/profiles/76561198099564208#!/compare/1529625600/1529712000

https://backpack.tf/profiles/76561198247144444#!/compare/1529625600/1529712000

Sold with some sweets for a Burning Tsarboosh

Looking at sellers, probably easy cap at 49.

Taking 49 flat, due to failed at 46 - 49.

Burglerre Mini:

https://backpack.tf/profiles/76561198281015499#!/compare/1528329600/1528416000

Sold for Pro KS RL(11.5) + 4.35 keys in sweets

Total is ~16 keys

https://backpack.tf/profiles/76561198318170190#!/compare/1526688000/1526774400

Sold for 17 keys

Considering sellers down to 15 keys, taking 15-17 keys.

Total is 120 - (49 +16) = 55 keys

Sale 5:

https://backpack.tf/profiles/76561197997283715#!/compare/1526515200/1526601600

https://backpack.tf/profiles/76561198258264645#!/compare/1526515200/1526601600

Bulky

Sale 6:

https://backpack.tf/profiles/76561198051854248#!/compare/1526083200/1526169600

https://backpack.tf/profiles/76561197997283715#!/compare/1526083200/1526169600

Sold for 63 keys.

Taking both pure sales, as 63 is a key closer to 75 than 50(Buyers), but 55 supports its inclusion.