Resuggestion, thanks to Sin, Svode and BULL for the info!

Sale 1:

https://backpack.tf/profiles/76561198306288794#!/compare/1522972800/1523059200

https://backpack.tf/profiles/76561198196947639#!/compare/1522972800/1523059200

Sold for 30 keys pure.

http://www.tf2outpost.com/trade/29610048

B/O of 45.

Sale 2:

https://backpack.tf/profiles/76561198196947639#!/compare/1524355200/1524441600

https://backpack.tf/profiles/76561198114335037#!/compare/1524355200/1524441600

Sold for items, including Spec KS Aussie Rocket Launcher(37) + 5.17 in other stuff.

Total is 42.17 keys, or 37.17 if taking RL at QB prices.

Sale 3:

https://backpack.tf/profiles/76561198114335037#!/compare/1524873600/1524960000

https://backpack.tf/profiles/76561198152485272#!/compare/1524787200/1524960000

Sold for Showstopper Lap

Lap Mini:

https://marketplace.tf/items/1172;5;u3001

Multiple sales for 59.99 USD.

All come out to around 30 keys.

Sale 4:

https://backpack.tf/profiles/76561198152485272#!/compare/1524787200/1524960000

https://backpack.tf/profiles/76561198095236132#!/compare/1524873600/1524960000

Sold for 5 keys + 20.51 keys in items

Taking 25.51 keys.

Sale 5:

https://backpack.tf/profiles/76561198095236132#!/compare/1524873600/1524960000

https://backpack.tf/profiles/76561198126114757#!/compare/1524873600/1524960000

Sold for 27 pure

Sale 6:

https://prnt.sc/jkeonj

https://prnt.sc/jlegg3

Sold for 37 keys + 2.83 keys in sweets.

Rounding to 40 keys.

Total sales @:

25.51, 27, 30, 30, 40, 42.17(or 37.17)

Taking 30 - 40 keys.

Buyer up to 26.

Unsold for 50 for 7 months.

http://prntscr.com/jgeiex

https://backpack.tf/item/2034205260

https://backpack.tf/u/76561198267173308

https://backpack.tf/u/76561198054758757