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

$43.99 / $2.12 = 20.75 keys

$49.99 / $2.19 = 22.83 keys

https://backpack.tf/item/8594768483

https://backpack.tf/item/8668007369

https://backpack.tf/profiles/76561198217101891#!/compare/1614470400/1614643200

https://backpack.tf/profiles/76561199085116273#!/compare/1614556800/1614643200

Untraceable

https://backpack.tf/profiles/76561198850274253#!/compare/1615334400/1615420800

https://backpack.tf/profiles/76561198091502579#!/compare/1615334400/1615420800

Untraceable

https://backpack.tf/profiles/76561198095080813#!/compare/1616976000/1617062400

https://backpack.tf/profiles/76561198186201090#!/compare/1616889600/1616976000

Pyroland Nightmare Bazaar Bauble + 12 keys

Bauble is 6, 7, or 8 keys on classifieds https://gyazo.com/5db5f6e78e0a5e1e177cc013acd3a1b9

This sale ends up either under buyers or in the range

https://backpack.tf/profiles/76561198186201090#!/compare/1616889600/1616976000

https://backpack.tf/profiles/76561199085637141#!/compare/1616630400/1617062400

Aus Knife - 19 keys https://gyazo.com/f42553ae146cf11481fcc601cad2aae2

Kill-a-Watt Backbreaker's Skullcracker - 6 key buyers https://gyazo.com/94de14d8690eade401a339e107386740

High outlier

https://backpack.tf/profiles/76561199085637141#!/compare/1618099200/1618272000

https://backpack.tf/profiles/76561197963500354#!/compare/1618012800/1618099200

Untraceable

https://backpack.tf/profiles/76561198311498888#!/compare/1612656000/1612742400

https://backpack.tf/profiles/76561198446606701#!/compare/1612656000/1612828800

20 keys

https://backpack.tf/profiles/76561198311498888#!/compare/1610755200/1610841600

https://backpack.tf/profiles/76561198322209988#!/compare/1608508800/1611100800

Untraceable

https://backpack.tf/profiles/76561198322209988#!/compare/1611100800/1614124800

https://backpack.tf/profiles/76561198135388328#!/compare/1611014400/1611100800

Untraceable

https://backpack.tf/profiles/76561198135388328#!/compare/1611446400/1611532800

https://backpack.tf/profiles/76561198062747535#!/compare/1611446400/1611532800

14 keys 2 scrap, sold by scrap.tf in same day

https://backpack.tf/profiles/76561198062747535#!/compare/1613433600/1613520000

https://backpack.tf/profiles/76561199102237820#!/compare/1613433600/1613520000

Only 12 keys and ref matches

https://backpack.tf/profiles/76561199102237820#!/compare/1613692800/1613779200

https://backpack.tf/profiles/76561198107140548#!/compare/1612396800/1613779200

only 10 keys matches

https://backpack.tf/profiles/76561198188093413#!/compare/1612051200/1612137600

https://backpack.tf/profiles/76561198131413085#!/compare/1612051200/1612137600

Untraceable

https://backpack.tf/profiles/76561198131413085#!/compare/1612310400/1612396800

https://backpack.tf/profiles/76561199004803157#!/compare/1612310400/1612396800

Only 1 key and scrap match

https://backpack.tf/profiles/76561199004803157#!/compare/1612483200/1612569600

https://backpack.tf/profiles/76561198095072184#!/compare/1612396800/1612483200

20 keys

https://backpack.tf/profiles/76561198095072184#!/compare/1612656000/1612742400

https://backpack.tf/profiles/76561197994697258#!/compare/1612656000/1612742400

Bulk

https://backpack.tf/profiles/76561197994697258#!/compare/1615593600/1615680000

https://backpack.tf/profiles/76561198148124265#!/compare/1615420800/1616284800

Terror-Watt Rebel Rouser - 12 key buyers https://gyazo.com/de706fbd8448cd51f133a14beb3a05f3

Strange Specialized Killstreak Australium Black Box - pretty much 14 keys https://gyazo.com/5d3a86e909b505ab5eab5490a8ba4252

28 key buyout https://gladiator.tf/listings/604e70866b4e41f2525e362b

High outlier

https://backpack.tf/profiles/76561198148124265#!/compare/1616457600/1617580800

https://backpack.tf/profiles/76561198188093413#!/compare/1616457600/1616544000

Kill-a-Watt Winter Woodsman, using there

https://backpack.tf/profiles/76561198188093413#!/compare/1616544000/1616630400

https://backpack.tf/profiles/76561198814256796#!/compare/1616544000/1616630400

22 keys

https://backpack.tf/profiles/76561198814256796#!/compare/1617235200/1617321600

https://backpack.tf/profiles/76561199101961909#!/compare/1617235200/1617321600

Bulk

https://backpack.tf/profiles/76561199101961909#!/compare/1617235200/1617321600

https://backpack.tf/profiles/76561198960169972#!/compare/1617235200/1617321600

20 keys

https://backpack.tf/profiles/76561198850274253#!/compare/1613433600/1613520000

https://backpack.tf/profiles/76561198071879537#!/compare/1613433600/1614038400

Untraceable

https://backpack.tf/profiles/76561198206324623#!/compare/1612137600/1612310400

https://backpack.tf/profiles/76561198188093413#!/compare/1612224000/1612310400

19 keys

https://backpack.tf/profiles/76561198188093413#!/compare/1612396800/1612483200

https://backpack.tf/profiles/76561198134220286#!/compare/1612396800/1612483200

Untraceable

https://backpack.tf/profiles/76561198017210537#!/compare/1609891200/1613606400

https://backpack.tf/profiles/76561198046069449#!/compare/1613606400/1613692800

Untraceable

https://backpack.tf/profiles/76561198079578383#!/compare/1615161600/1615248000

https://backpack.tf/profiles/76561198453530349#!/compare/1615161600/1615248000

Untraceable

https://backpack.tf/profiles/76561198453530349#!/compare/1615420800/1615507200

https://backpack.tf/profiles/76561198193405221#!/compare/1615248000/1615507200

Untraceable

https://backpack.tf/profiles/76561198031494791#!/compare/1613347200/1613433600

https://backpack.tf/profiles/76561198002757046#!/compare/1613347200/1613433600

Untraceable

https://backpack.tf/profiles/76561198002757046#!/compare/1613520000/1613606400

https://backpack.tf/profiles/76561198135471163#!/compare/1613520000/1613606400

19 keys and 26 refined

https://backpack.tf/profiles/76561198135471163#!/compare/1613520000/1613606400

https://backpack.tf/profiles/76561198080179568#!/compare/1613520000/1613606400

Untraceable

https://backpack.tf/profiles/76561198080179568#!/compare/1613606400/1613692800

https://backpack.tf/profiles/76561198105538929#!/compare/1607040000/1614729600

Untraceable

https://backpack.tf/profiles/76561198105538929#!/compare/1614729600/1615852800

https://backpack.tf/profiles/76561198841279602#!/compare/1615766400/1615852800

20 keys + 5.88 refined

https://backpack.tf/profiles/76561198841279602#!/compare/1616716800/1616803200

https://backpack.tf/profiles/76561199020698851#!/compare/1616716800/1616889600

Only 2 keys matches

https://backpack.tf/profiles/76561199020698851#!/compare/1616976000/1617148800

https://backpack.tf/profiles/76561198453530349#!/compare/1616889600/1616976000

19 keys + 7.44 refined

https://backpack.tf/profiles/76561198453530349#!/compare/1618099200/1618185600

https://backpack.tf/profiles/76561198345578899#!/compare/1618099200/1618185600

https://backpack.tf/item/8433095385 untraceable, this taunt matches for some reason

https://backpack.tf/profiles/76561198179707937#!/compare/1613692800/1613779200

https://backpack.tf/profiles/76561198139370347#!/compare/1613606400/1613692800

18 keys + 49.66 refined

https://backpack.tf/profiles/76561198296895366#!/compare/1605830400/1611446400

https://backpack.tf/profiles/76561199110809353#!/compare/1615766400/1618272000

Untraceable

https://backpack.tf/profiles/76561199110809353#!/compare/1617494400/1617580800

https://backpack.tf/profiles/76561198196659866#!/compare/1617580800/1617667200

20 keys

https://backpack.tf/profiles/76561198009309781#!/compare/1612742400/1612828800

https://backpack.tf/profiles/76561197963500354#!/compare/1612742400/1612828800

Untraceable

https://backpack.tf/profiles/76561197963500354#!/compare/1613779200/1613952000

https://backpack.tf/profiles/76561198083578789#!/compare/1597104000/1614211200

18 keys

https://backpack.tf/profiles/76561198048724906#!/compare/1611273600/1611360000

https://backpack.tf/profiles/76561198853242943#!/compare/1610755200/1611360000

21 keys

https://backpack.tf/profiles/76561198154700747#!/compare/1611792000/1611878400

https://backpack.tf/profiles/76561198131413085#!/compare/1611792000/1611878400

11 keys matches

https://backpack.tf/profiles/76561198131413085#!/compare/1611964800/1612051200

https://backpack.tf/profiles/76561198088764747#!/compare/1610582400/1612051200

Untraceable

https://backpack.tf/profiles/76561198088764747#!/compare/1612051200/1612396800

https://backpack.tf/profiles/76561198231967680#!/compare/1612051200/1612137600

Untraceable

https://backpack.tf/profiles/76561198231967680#!/compare/1612137600/1612224000

https://backpack.tf/profiles/76561198841279602#!/compare/1612137600/1612224000

Only metal matches

https://backpack.tf/profiles/76561198841279602#!/compare/1612310400/1612396800

https://backpack.tf/profiles/76561198135471163#!/compare/1612396800/1612483200

Untraceable

https://backpack.tf/profiles/76561198135471163#!/compare/1613001600/1613088000

https://backpack.tf/profiles/76561198132403284#!/compare/1613001600/1613088000

Special Snowfall Killing Tree + 1 key, under buyers

https://gyazo.com/91bb1fc91f95a673cb0bfdd132ecd8eb

https://gyazo.com/edbdc8db91fe5e1e8df83ac1682b2fe0

https://backpack.tf/profiles/76561198132403284#!/compare/1616112000/1616803200

https://backpack.tf/profiles/76561198107995248#!/compare/1615939200/1616198400

21 keys

https://backpack.tf/profiles/76561197965601027#!/compare/1615852800/1616112000

https://backpack.tf/profiles/76561197993888396#!/compare/1616025600/1616112000

24 keys

https://backpack.tf/profiles/76561197993888396#!/compare/1618012800/1618185600

https://backpack.tf/profiles/76561198002757046#!/compare/1618099200/1618185600

Above 24 sold for 19 keys

https://backpack.tf/profiles/76561198054198170#!/compare/1610496000/1610582400

https://backpack.tf/profiles/76561198153789411#!/compare/1610323200/1610582400

Strange Orbiting Planets Blast Defense + 3 keys

generic strange unusual blast defense buyers are at 23, planets at 18 https://gyazo.com/30cd5e33ec34509ce3092696e5980706

Caps at 21 key buyout https://gladiator.tf/listings/5fff7a4c264dc6429f450480

https://backpack.tf/profiles/76561198153789411#!/compare/1610323200/1610582400

https://backpack.tf/profiles/76561198139679163#!/compare/1610409600/1610582400

Untraceable

https://backpack.tf/profiles/76561198139679163#!/compare/1611014400/1611100800

https://backpack.tf/profiles/76561198321019586#!/compare/1610928000/1611100800

18 keys

https://backpack.tf/profiles/76561198321019586#!/compare/1612742400/1613692800

https://backpack.tf/profiles/76561199004803157#!/compare/1612656000/1612742400

19 keys + 49.11 refined

https://backpack.tf/profiles/76561199004803157#!/compare/1613692800/1613779200

https://backpack.tf/profiles/76561198092509893#!/compare/1613692800/1613779200

17 keys

https://backpack.tf/profiles/76561198147822139#!/compare/1611100800/1616284800

https://backpack.tf/profiles/76561198275478002#!/compare/1616112000/1616284800

Bulk

https://backpack.tf/profiles/76561199102237820#!/compare/1617408000/1617494400

https://backpack.tf/profiles/76561199005579849#!/compare/1617408000/1617580800

Untraceable

https://backpack.tf/profiles/76561198039731024#!/compare/1617667200/1617753600

https://backpack.tf/profiles/76561198088488150#!/compare/1617062400/1617667200

Untraceable/Bulk

https://backpack.tf/profiles/76561198088488150#!/compare/1617667200/1617753600

https://backpack.tf/profiles/76561198090987063#!/compare/1617235200/1617667200

Untraceable

https://backpack.tf/profiles/76561198090987063#!/compare/1617667200/1617753600

https://backpack.tf/profiles/76561198064957760#!/compare/1617667200/1617753600

Untraceable

https://backpack.tf/profiles/76561198064957760#!/compare/1617667200/1617753600

https://backpack.tf/profiles/76561199084784906#!/compare/1617667200/1617753600

Untraceable

https://backpack.tf/profiles/76561199084784906#!/compare/1617926400/1618012800

https://backpack.tf/profiles/76561198022636756#!/compare/1615161600/1618272000

20 keys

Sales:

17

18

18

19

19

19

20

20

20

20

20

20

20

20

21

21

21

21

22

23

https://gyazo.com/2934e54c51158dccfdf54b2b129f5fae

Many buyers at 17

2 at 19

13 day seller at 23, 23 is young, 21 is young

let's go with 18-23