Item 1

https://backpack.tf/item/13947564568

Sale 1

https://backpack.tf/profiles/76561198164814063#!/compare/1716076800/1716163200

https://backpack.tf/profiles/76561199188574464#!/compare/1715904000/1716163200

Bulk for a Aces High Virtual Viewfinder

Sale 2

https://backpack.tf/profiles/76561199188574464#!/compare/1719273600/1719964800

https://backpack.tf/profiles/76561199708450444#!/compare/1720224000/1721433600

Can only trace it leaving on buyer side

Sale 3

https://backpack.tf/profiles/76561199708450444#!/compare/1720310400/1721347200

https://backpack.tf/profiles/76561199581722058#!/compare/1721260800/1721347200

No clue

Item 2

https://backpack.tf/item/7956688945

Sale 4

https://backpack.tf/profiles/76561199059632349#!/compare/1719878400/1719964800

https://backpack.tf/profiles/76561199381128517#!/compare/1717113600/1720137600

No clue

Item 3

https://backpack.tf/item/7956136043

Sale 5

https://backpack.tf/profiles/76561198155110999#!/compare/1718409600/1718496000

https://backpack.tf/profiles/76561199125631964#!/compare/1718409600/1718496000

No clue

Item 4

https://backpack.tf/item/5643187245

Sale 6

https://backpack.tf/profiles/76561199015581680#!/compare/1715990400/1716076800

https://backpack.tf/profiles/76561198036241064#!/compare/1715904000/1716076800

~17 keys (Buyer side)

Item 5

https://backpack.tf/item/2231844821

(I'll cover both mp sales together)

Sale 7

https://backpack.tf/profiles/76561199652290612#!/compare/1720569600/1720656000

https://backpack.tf/profiles/76561198279603655#!/compare/1720224000/1720656000

No clue

Sale 8

https://backpack.tf/profiles/76561198279603655#!/compare/1720656000/1720742400

https://backpack.tf/profiles/76561198128982918#!/compare/1720656000/1720742400

No clue

Sale 9

https://backpack.tf/profiles/76561198128982918#!/compare/1720656000/1720742400

https://backpack.tf/profiles/76561199111073161#!/compare/1720656000/1720742400

No clue

Then just bought and re-dumped...

Mp.tf

https://marketplace.tf/items/tf2/30162;5;u62

$32.99 / $1.67 = ~20 keys (May 28)

$27.99 / $1.68 = ~17 keys (Jul 3)

Total Sales

17, 17, 20

https://imgur.com/a/F9ZeDmR

17 is under buyers, but it sold twice for that amount

I'll take 17 - 20 keys to accommodate for the lower STN seller

Unsolds:

https://backpack.tf/item/13947564568 - ~19

https://backpack.tf/item/2231844821 - ~22.5

https://backpack.tf/item/5643187245 - ~22.5

https://backpack.tf/item/13734330646 - 25