Update!

Sale 1: https://backpack.tf/profiles/76561198165222762#!/compare/1592784000/1592870400

https://backpack.tf/profiles/76561198305494036#!/compare/1592784000/1592870400

Qs for 43.

Sale 2: https://backpack.tf/profiles/76561198305494036#!/compare/1593388800/1593475200

https://backpack.tf/profiles/76561198827124516#!/compare/1593388800/1593475200

Not sure.

Sale 3: https://backpack.tf/profiles/76561198827124516#!/compare/1593907200/1593993600

https://backpack.tf/profiles/76561198089596224#!/compare/1593129600/1593993600

Sold for a clean Sunbeams Universal Translator (47 keys) + ~2 keys in adds.

47 + 2 = 49

Sale 4: https://backpack.tf/profiles/76561198089596224#!/compare/1594339200/1594684800

https://backpack.tf/profiles/76561198418740133#!/compare/1594512000/1594684800

Use there.

Sale 5: https://backpack.tf/profiles/76561198102288346#!/compare/1588636800/1588809600

https://backpack.tf/profiles/76561198046921199#!/compare/1588723200/1588809600

Use there.

Sale 6: https://backpack.tf/profiles/76561198046921199#!/compare/1591228800/1591488000

https://backpack.tf/profiles/76561198113043807#!/compare/1591488000/1594166400

Sold for a Purple Energy Hellmet (61 keys) + ~8 in adds

61 + 8 = 69, buyout was 59: https://bot.tf/stats/listings/4WX05D3N

Mini for the Hellmet: https://backpack.tf/suggestion/5f1616e900f29f31ac0115b2

Sale 7: https://backpack.tf/profiles/76561198113043807#!/compare/1594166400/1594339200

https://backpack.tf/profiles/76561198050933686#!/compare/1593820800/1594425600

Sold for a Green Energy Tartan Spartan

Sale 8: https://marketplace.tf/items/tf2/30413;5;u19 - 90.99/1.98 = ~46

Sales: 43, 46, 49 and 59. Classies: https://i.imgur.com/gZF4EJt.png. 46-49.