The last guy didn't bother changing his suggestion, so I am doing this again

Resuggesting with Shuffle's advice

MP sales

5 Jun: 64$/ 1.96 = 33

4 Aug: 74.79/1.86 = 40 keys

4 Aug: 75.55/1.86 = 41 keys

14 Aug: 65/1.8 = 36 keys

Sale 1:

https://backpack.tf/profiles/76561198088057122#!/compare/1592352000/1593388800

https://backpack.tf/profiles/76561198203811797#!/compare/1593216000/1593302400

Ball Cap+ Mohawk for Burning Robo (mini)

Mini for burning Robo:

https://backpack.tf/profiles/76561198203811797#!/compare/1593043200/1593216000

https://backpack.tf/profiles/76561198421958844#!/compare/1593129600/1593216000

https://bazaar.tf/trade/1709162

Buyout capped at 60

x+34=60

x=26

Sale 2:

https://backpack.tf/profiles/76561198203811797#!/compare/1593388800/1593475200

https://backpack.tf/profiles/76561199044780296#!/compare/1593388800/1593475200

Bulk

Sale 3:

https://backpack.tf/profiles/76561198141345875#!/compare/1594339200/1594512000

https://backpack.tf/profiles/76561199044780296#!/compare/1594339200/1594425600

Bulk

Sale 4:

https://backpack.tf/profiles/76561198164036774#!/compare/1590796800/1590969600

https://backpack.tf/profiles/76561198112709115#!/compare/1590883200/1590969600

Sold with 2 keys + 1 key in sweets for a Tundra Cap

x+3 = 38

x=35

Sale 5:

https://backpack.tf/profiles/76561198847955284#!/compare/1591833600/1591920000

https://backpack.tf/profiles/76561198164036774#!/compare/1591833600/1591920000

https://imgur.com/a/A0K0Dqp (had a buyout of 35)

Hat + 1k = Yule Hog (37.5)

x=37 35

Sale 6:

https://backpack.tf/profiles/76561198847955284#!/compare/1592006400/1592092800

https://backpack.tf/profiles/76561197996266992#!/compare/1592006400/1592092800

32 keys history match, 32 keys

Sale 7:

https://backpack.tf/profiles/76561198018989040#!/compare/1594252800/1594512000

https://backpack.tf/profiles/76561197996266992#!/compare/1593993600/1594166400

32 pure

Classifieds:

https://imgur.com/a/LaQBA7y

2 sellers @ 47 and 49 (https://backpack.tf/item/2156820530 , https://backpack.tf/item/7956444015)

Buyers near 32 keys, excluding 26 and 32

2 Sellers on MP selling for 80$

https://backpack.tf/item/7955685256

https://backpack.tf/item/7956702428

35 - 41