Resuggesion, thanks to Blaze & penguin for the info!

Sale 1:

https://backpack.tf/profiles/76561198053727332#!/compare/1538697600/1539216000

Can't tell (Scrap QS?)

Sale 2:

https://backpack.tf/profiles/76561198043766709#!/compare/1536796800/1538611200

https://backpack.tf/profiles/76561198346664888#!/compare/1538438400/1538524800

Sold for 32 keys

Sale 3:

https://backpack.tf/profiles/76561198346664888#!/compare/1538697600/1538784000

https://backpack.tf/profiles/76561198061275415#!/compare/1538784000/1538870400

Sold for P Fetti Tundra + 13 keys

Tundra Mini:

https://backpack.tf/suggestion/5bcffa3144325a55be64c134

Suggestion for 17.5 keys

Total is 30.5 keys

Sale 4:

https://backpack.tf/profiles/76561198061275415#!/compare/1539129600/1539475200

https://backpack.tf/profiles/76561198273866103#!/compare/1539388800/1539475200

Sold for PE Sterling + ~4 keys in sweets

Sterling Mini:

https://backpack.tf/suggestion/5bd020a644325a653b447349

Suggestion for 29 keys

Total is 33 keys

Sale 5:

https://backpack.tf/profiles/76561198273866103#!/compare/1539475200/1539561600

https://backpack.tf/profiles/76561198036445124#!/compare/1539475200/1539561600

Sold with 4 keys for GE Connoisseur

Connoisseur Mini:

https://backpack.tf/suggestion/5bcffeb4cf6c75301108d07a

Suggestion for 33 keys

Total is 29 keys

Total sales @:

29, 30.5, 32, 33 keys

Taking 29 - 33 keys

Blaze's Part:

https://backpack.tf/profiles/76561198061275415#!/compare/1539129600/1539475200 - sale 4 seems to have sold for the sterling + 4 keys and some ref

penguin's Part:

I did indeed pay 4 keys with the PE Sterling