Item 1

https://backpack.tf/item/11145840909

Sale 1

https://backpack.tf/profiles/76561198141026844#!/compare/1711152000/1711238400

https://backpack.tf/profiles/76561198106897791#!/compare/1711065600/1711152000

Bulk for a Roboactive Troublemaker's Tossle Cap

Item 2

https://backpack.tf/item/11104763257

Sale 2

https://backpack.tf/profiles/76561199567977570#!/compare/1709683200/1714521600

https://backpack.tf/profiles/76561198135388328#!/compare/1709683200/1709769600

No clue

Sale 3

https://backpack.tf/profiles/76561198135388328#!/compare/1709769600/1709856000

https://backpack.tf/profiles/76561198453530349#!/compare/1709683200/1709769600

No clue

Sale 4

https://backpack.tf/profiles/76561198453530349#!/compare/1714348800/1714435200

https://backpack.tf/profiles/76561198180923509#!/compare/1714348800/1714435200

No clue

Item 3

https://backpack.tf/item/9695650929

Sale 5

https://backpack.tf/profiles/76561198817148683#!/compare/1712102400/1713398400

https://backpack.tf/profiles/76561199315621199#!/compare/1713312000/1713398400

Bulk buy

Item 4

https://backpack.tf/item/8811040737

Skipping past gambling...

Sale 6

https://backpack.tf/profiles/76561198268399758#!/compare/1707609600/1707696000

https://backpack.tf/profiles/76561199072654974#!/compare/1707609600/1707696000

Can only match scrap

Sale 7

https://backpack.tf/profiles/76561199072654974#!/compare/1709251200/1709337600

https://backpack.tf/profiles/76561199353050656#!/compare/1709164800/1709769600

Probably dumped a blizz mostacho to afford the taunt, no clue what it comes out to here tho

Item 5

https://backpack.tf/item/7389803779

Sale 8

https://backpack.tf/profiles/76561198130854237#!/compare/1710115200/1711670400

https://backpack.tf/profiles/76561198072191023#!/compare/1531440000/1712188800

No clue

Item 6

https://backpack.tf/item/6097451636

Sale 9

https://backpack.tf/profiles/76561198054855474#!/compare/1710547200/1710633600

https://backpack.tf/profiles/76561198113190503#!/compare/1710460800/1710547200

Bulk

Item 7

https://backpack.tf/item/4448733576

Sale 10

https://backpack.tf/profiles/76561198191744974#!/compare/1706659200/1706745600

https://backpack.tf/profiles/76561198453530349#!/compare/1706659200/1706745600

Dumped for 4 keys, 8.11 ref = ~4.1 keys

Sale 11

https://backpack.tf/profiles/76561198453530349#!/compare/1706745600/1706832000

https://backpack.tf/profiles/76561199069442401#!/compare/1706832000/1707091200

No clue

Sale 12

https://backpack.tf/profiles/76561199069442401#!/compare/1706832000/1707091200

https://backpack.tf/profiles/76561198160786631#!/compare/1704499200/1709596800

No clue

Item 8

https://backpack.tf/item/4441257528

Sale 13

https://backpack.tf/profiles/76561198935532676#!/compare/1707004800/1707091200

https://backpack.tf/profiles/76561198071386617#!/compare/1707091200/1707350400

5 keys

Item 9

https://backpack.tf/item/4440359988

Mp.tf sale, I'll cover at the end

Item 10

https://backpack.tf/item/4437889307

Sale 14

https://backpack.tf/profiles/76561199110778355#!/compare/1713830400/1713916800

https://backpack.tf/profiles/76561199600763935#!/compare/1713830400/1713916800

Not unusual yet

Sale 15

https://backpack.tf/profiles/76561199600763935#!/compare/1713916800/1714089600

https://backpack.tf/profiles/76561199652290612#!/compare/1714176000/1714262400

Unusualified at some point here

Sale 16

https://backpack.tf/profiles/76561199652290612#!/compare/1714262400/1714348800

https://backpack.tf/profiles/76561198374038715#!/compare/1714262400/1714348800

No clue

Item 11

https://backpack.tf/item/4275816216

Skipping past the buy into re-dumps & mp.tf sale...

Sale 17

https://backpack.tf/profiles/76561198850274253#!/compare/1713830400/1713916800

https://backpack.tf/profiles/76561199145939325#!/compare/1713916800/1714089600

No clue

Item 12

https://backpack.tf/item/3924487100

Mp.tf sale I'll cover at the end

Item 13

https://backpack.tf/item/3844855647

Sale 18

https://backpack.tf/profiles/76561198827450388#!/compare/1707955200/1710979200

https://backpack.tf/profiles/76561198850178158#!/compare/1709769600/1709856000

Dumped to buy the orbiting planets headwear

Sale 19

https://backpack.tf/profiles/76561199059632349#!/compare/1711152000/1711238400

https://backpack.tf/profiles/76561198055682838#!/compare/1706572800/1714521600

No clue

Mp.tf

https://marketplace.tf/items/tf2/30609;5;u3005

2 @ $13.99 / $1.70 = ~8 keys (Feb 1)

$13.99 / $1.71 = ~8 keys (Feb 4)

$13.99 / $1.70 = ~8 keys (Feb 9)

$13.99 / $1.70 = ~8 keys (Feb 24)

Total Sales

4.1, 5, 8, 8, 8, 8

https://imgur.com/a/kaN3KwJ

4.1 was a buyer dump

Some of the mp sales were dumped for less, but it should be fine to go with 5 - 8 keys here c:

Unsolds:

https://backpack.tf/item/6097451636 - 9

https://backpack.tf/item/11104763257 - $14.99 / $1.80 = ~8.5