Item 1

https://backpack.tf/item/14431474741

Sale 1

https://backpack.tf/profiles/76561199195290249#!/compare/1716595200/1720656000

https://backpack.tf/profiles/76561198066993011#!/compare/1716422400/1719619200

No clue

Item 2

https://backpack.tf/item/14383499797

Sale 2

https://backpack.tf/profiles/76561198850178158#!/compare/1716681600/1716768000

https://backpack.tf/profiles/76561198153443658#!/compare/1713312000/1720310400

No clue (I checked a fair amount of keys on buyer side and couldn't find any that matched with the bot)

Item 3

https://backpack.tf/item/10339092446

Just qs.store bot transfers

Item 4

https://backpack.tf/item/9103134262

Sale 3

https://backpack.tf/profiles/76561199079981097#!/compare/1719532800/1719792000

https://backpack.tf/profiles/76561199581722058#!/compare/1719619200/1719705600

No clue

Sale 4

https://backpack.tf/profiles/76561199581722058#!/compare/1721952000/1722038400

https://backpack.tf/profiles/76561198989078420#!/compare/1722038400/1722211200

~20 keys

Item 5

https://backpack.tf/item/9061359763

Will be covered down below

Item 6

https://backpack.tf/item/8977171219

Sale 5

https://backpack.tf/profiles/76561198134813395#!/compare/1721347200/1721606400

https://backpack.tf/profiles/76561199119484218#!/compare/1721347200/1721433600

~13 keys match

Sale 6

https://backpack.tf/profiles/76561199119484218#!/compare/1721347200/1721433600

https://backpack.tf/profiles/76561198850121720#!/compare/1721347200/1721433600

No clue

Item 7

https://backpack.tf/item/8976939872

Sale 7

https://backpack.tf/profiles/76561199199418911#!/compare/1721088000/1723161600

https://backpack.tf/profiles/76561198088742736#!/compare/1722902400/1723075200

17 keys

Item 8

https://backpack.tf/item/8925268879

Sale 8

https://backpack.tf/profiles/76561198044156608#!/compare/1722729600/1723075200

https://backpack.tf/profiles/76561198133599672#!/compare/1722729600/1722902400

22 keys

Item 9

https://backpack.tf/item/8835170243

Sale 9

https://backpack.tf/profiles/76561198043922963#!/compare/1713484800/1716163200

https://backpack.tf/profiles/76561198453530349#!/compare/1716076800/1716163200

Dumped for 15 keys, 37.44 ref = ~15 keys

Sale 10

https://backpack.tf/profiles/76561198453530349#!/compare/1716249600/1716336000

https://backpack.tf/profiles/76561197983498207#!/compare/1715644800/1716336000

~19 keys (14500339115)

Item 10

https://backpack.tf/item/8620356367

Skipping past mp sale...

Sale 11

https://backpack.tf/profiles/76561198361477763#!/compare/1720051200/1720137600

https://backpack.tf/profiles/76561199102407070#!/compare/1720051200/1720137600

Dumped for ~17 keys

Then another mp sale occurred...

Item 11

https://backpack.tf/item/8449703267

Sale 12

https://backpack.tf/profiles/76561198024819451#!/compare/1720224000/1720310400

https://backpack.tf/profiles/76561199102407070#!/compare/1720224000/1720310400

No clue

Sale 13

https://backpack.tf/profiles/76561199102407070#!/compare/1720396800/1720569600

https://backpack.tf/profiles/76561198836967499#!/compare/1720483200/1720569600

Only an incomplete amount matches

Item 12

https://backpack.tf/item/8368242268

Sale 14

https://backpack.tf/profiles/76561198989078420#!/compare/1715990400/1716076800

https://backpack.tf/profiles/76561198155110999#!/compare/1715990400/1716076800

Dumped for an incomplete amount

Sale 15

https://backpack.tf/profiles/76561198155110999#!/compare/1717113600/1717200000

https://backpack.tf/profiles/76561198020364881#!/compare/1717113600/1717200000

No clue

Item 13

https://backpack.tf/item/8359231341

Sale 16

https://backpack.tf/profiles/76561198006571338#!/compare/1717891200/1719619200

https://backpack.tf/profiles/76561198252999692#!/compare/1719532800/1719619200

Bulk for a Orbiting Planets Herald's Helm

Sale 17

https://backpack.tf/profiles/76561198252999692#!/compare/1719878400/1719964800

https://backpack.tf/profiles/76561198055456477#!/compare/1554163200/1721606400

No clue

Item 14

https://backpack.tf/item/8351129539

Sale 18

https://backpack.tf/profiles/76561198089935915#!/compare/1715299200/1715472000

https://backpack.tf/profiles/76561198363395191#!/compare/1715299200/1715558400

No clue

Item 15

https://backpack.tf/item/8341579332

Just bought and re-dumped, not usable

Item 16

https://backpack.tf/item/8459368993

Sale 19

https://backpack.tf/profiles/76561198349848918#!/compare/1721433600/1721520000

https://backpack.tf/profiles/76561198072441047#!/compare/1721433600/1721520000

20 keys (14695333590)

Sale 20

https://backpack.tf/profiles/76561198072441047#!/compare/1722297600/1722470400

https://backpack.tf/profiles/76561198177872379#!/compare/1722384000/1722470400

No clue

Mp.tf

https://marketplace.tf/items/tf2/31100;5;u135

$38.99 / $1.67 = ~23 keys (May 26)

$38.99 / $1.67 = ~23 keys (May 30)

$38.99 / $1.68 = ~23 keys (Jul 2)

$33.99 / $1.69 = ~20 keys (Jul 12)

$33.99 / $1.71 = ~20 keys (Jul 20)

Total Sales

13, 15, 17, 17, 19, 20, 20, 20, 20, 22, 23, 23, 23

https://imgur.com/a/nBqVgTK

17 and below is under buyers

Taking 19 - 23 keys?

Unsolds:

https://backpack.tf/item/8797816635 - $35.99

https://backpack.tf/item/8459368993 - $39.98

https://backpack.tf/item/12367617558 - 35