https://marketplace.tf/items/tf2/614;5;u9

$74.99 / $2.11 = 35.54 keys

https://backpack.tf/profiles/76561198067893730#!/compare/1607212800/1608336000

https://backpack.tf/profiles/76561199106217370#!/compare/1607212800/1612656000

only a key and metal matches

https://backpack.tf/profiles/76561199106217370#!/compare/1609200000/1609286400

https://backpack.tf/profiles/76561198216982180#!/compare/1609200000/1609459200

38 item stack, which is 31 keys and metal

https://backpack.tf/profiles/76561198216982180#!/compare/1609632000/1609804800

https://backpack.tf/profiles/76561199025403420#!/compare/1609632000/1609718400

Untraceable

https://backpack.tf/profiles/76561198060730062#!/compare/1611878400/1611964800

https://backpack.tf/profiles/76561198107367025#!/compare/1611878400/1611964800

31 or 33 keys, if you look at 1st or 2nd compare

https://backpack.tf/profiles/76561198311498888#!/compare/1609459200/1609545600

https://backpack.tf/profiles/76561198155386309#!/compare/1609459200/1609545600

Untraceable

https://backpack.tf/profiles/76561198155386309#!/compare/1609632000/1609718400

https://backpack.tf/profiles/76561198019000176#!/compare/1608508800/1609718400

Untraceable

https://backpack.tf/profiles/76561198019000176#!/compare/1612051200/1612310400

https://backpack.tf/profiles/76561198453530349#!/compare/1612224000/1612310400

Untraceable, looks like sold to bot to buy the Scorching Smoker

https://backpack.tf/item/8374799603

its all tradebacks with quicksell.store

https://backpack.tf/profiles/76561199035581360#!/compare/1610236800/1610496000

https://backpack.tf/profiles/76561198088427974#!/compare/1610409600/1610496000

55 item stack in 1st compare, and leaving 2nd compare, which is:

27 keys and refined/craft hats to round up to 28

https://backpack.tf/profiles/76561198088427974#!/compare/1610582400/1610668800

https://backpack.tf/profiles/76561198327145959#!/compare/1610323200/1610582400

29 keys leaving 2nd compare

https://backpack.tf/profiles/76561198327145959#!/compare/1610668800/1610841600

https://backpack.tf/profiles/76561198254410537#!/compare/1610755200/1610841600

16 keys and refined to round to 17

https://backpack.tf/profiles/76561198254410537#!/compare/1610755200/1610841600

https://backpack.tf/profiles/76561198000693929#!/compare/1610755200/1610841600

24 keys + spec ks strange flame (2 keys) = 26 keys

https://backpack.tf/profiles/76561198139370347#!/compare/1604966400/1605052800

https://backpack.tf/profiles/76561198281630040#!/compare/1604966400/1605052800

Untraceable

https://backpack.tf/profiles/76561198281630040#!/compare/1605312000/1605398400

https://backpack.tf/profiles/76561198169276171#!/compare/1605225600/1605398400

29 keys

https://backpack.tf/profiles/76561198169276171#!/compare/1605225600/1605398400

https://backpack.tf/profiles/76561198875470056#!/compare/1605312000/1605398400

Untraceable

https://backpack.tf/profiles/76561198875470056#!/compare/1605312000/1605398400

https://backpack.tf/profiles/76561198010637145#!/compare/1605225600/1605398400

Untraceable

https://backpack.tf/profiles/76561198010637145#!/compare/1605398400/1605484800

https://backpack.tf/profiles/76561198170079741#!/compare/1605398400/1605484800

Untraceable

https://backpack.tf/profiles/76561198170079741#!/compare/1605484800/1605657600

https://backpack.tf/profiles/76561198095378608#!/compare/1605139200/1605484800

Untraceable

https://backpack.tf/profiles/76561198095378608#!/compare/1605484800/1605571200

https://backpack.tf/profiles/76561198169276171#!/compare/1605484800/1605571200

Untraceable

https://backpack.tf/profiles/76561198169276171#!/compare/1605484800/1605571200

https://backpack.tf/profiles/76561198846057347#!/compare/1605484800/1605571200

Untraceable

https://backpack.tf/profiles/76561198846057347#!/compare/1605484800/1605571200

https://backpack.tf/profiles/76561198037674114#!/compare/1605398400/1605571200

Untraceable

https://backpack.tf/profiles/76561198325923276#!/compare/1607385600/1607472000

https://backpack.tf/profiles/76561198351982960#!/compare/1607126400/1607558400

pro KS FAN + pro KS CAPPER + Sunbeams Ye Oiled Baker Boy (33.5 keys) = sale 41.5 keys

https://backpack.tf/profiles/76561198351982960#!/compare/1609200000/1609372800

https://backpack.tf/profiles/76561198804605655#!/compare/1608854400/1609372800

spec KS aus black box - 14 keys https://gyazo.com/4e194beaba13c872659f94f457bdcf40

.5 key in uniques

17 keys, sale = 31.5 keys

https://backpack.tf/profiles/76561198804605655#!/compare/1609459200/1609545600

https://backpack.tf/profiles/76561199015058554#!/compare/1609200000/1609804800

Untraceable

https://backpack.tf/profiles/76561199015058554#!/compare/1609804800/1609891200

https://backpack.tf/profiles/76561198841279602#!/compare/1609718400/1609804800

Untraceable

https://backpack.tf/profiles/76561198841279602#!/compare/1609804800/1609891200

https://backpack.tf/profiles/76561199000672761#!/compare/1606521600/1609891200

Untraceable

https://backpack.tf/profiles/76561199000672761#!/compare/1610928000/1611273600

https://backpack.tf/profiles/76561198254410537#!/compare/1610841600/1610928000

Untraceable

https://backpack.tf/profiles/76561198254410537#!/compare/1611360000/1611532800

https://backpack.tf/profiles/76561198305555194#!/compare/1611273600/1611532800

Green Energy Madame Dixie + 1 key, better used there as this has a fair amount of sales already

https://backpack.tf/profiles/76561198305555194#!/compare/1611532800/1611619200

https://backpack.tf/profiles/76561198811544015#!/compare/1611273600/1611619200

Sunbeams Sky High Fly Guy + 3 keys

https://backpack.tf/profiles/76561198811544015#!/compare/1611619200/1611705600

https://backpack.tf/profiles/76561198308857579#!/compare/1611532800/1611705600

29 keys, unique all father, refined

https://backpack.tf/profiles/76561198308857579#!/compare/1612224000/1612483200

https://backpack.tf/profiles/76561198325923276#!/compare/1612310400/1612396800

30 keys

https://backpack.tf/profiles/76561198325923276#!/compare/1612569600/1612656000

https://backpack.tf/profiles/76561198018727739#!/compare/1612310400/1612656000

Purple Energy Lord Cockswain's Pith Helmet + 1 key, better used there

Sales:

26

28

29

29

29

30

31

31 or 33

31.5

36

41.5

https://gyazo.com/e540856d44d2b81dc6acc88fb4d3f6fe

Buyers at 28.5

three sales at 29 though

lets go with 29-32, 36 looks high