Credits go to tf2scourge, who hit the suggestion limit

Sale 1:

https://backpack.tf/profiles/76561198155371354#!/compare/1535328000/1535414400

https://backpack.tf/profiles/76561198318138402#!/compare/1535328000/1535414400

Sold for at least 36 keys (could be more from FoD taunt sale)

Sale 2:

https://backpack.tf/profiles/76561198318138402#!/compare/1535328000/1535414400

https://backpack.tf/profiles/76561198050114720#!/compare/1535328000/1535414400

Sold for HG Front Runner + Spelled Cosmetic.

https://imgur.com/a/hQU9f06 buyout of 75

Runner Mini:

https://backpack.tf/suggestion/5ba1e0a644325a650e3d7f70

Suggestion for 75 keys

Sale 3:

https://backpack.tf/profiles/76561198050114720#!/compare/1535328000/1535414400

https://backpack.tf/profiles/76561197988619397#!/compare/1534982400/1535500800

Transfer?

Sale 4:

https://backpack.tf/profiles/76561197988619397#!/compare/1536192000/1536969600

https://backpack.tf/profiles/76561198275735463#!/compare/1536710400/1536796800

Sold for CPS Peak + ~9 keys in sweets

Considering Peak instasold for 38, let's take that, going off the logic that the person expected 38 out of it, and not much more.

Sale 5:

https://backpack.tf/profiles/76561198275735463#!/compare/1536883200/1537056000

https://backpack.tf/profiles/76561198043936328#!/compare/1536969600/1537056000

Sold for x keys? untraceable

Sales at: 36, 45ish and 47

Sale 2 should easily cap and support the high end, going with 36-47