https://marketplace.tf/items/tf2/135;5;u19

$59.99 / $1.82 = 32.96 keys

$59.99 / $1.81 = 33.14 keys

https://gladiator.tf/sales?item=Circling%20Heart%20Towering%20Pillar%20of%20Hats&at=2021-08-28T22:03:45.272Z

somewhere, sale at ~25 keys

https://backpack.tf/profiles/76561198063069186#!/compare/1624924800/1625184000

https://backpack.tf/profiles/76561198044577875#!/compare/1625097600/1625184000

23 keys

https://backpack.tf/profiles/76561198044577875#!/compare/1625097600/1625184000

https://backpack.tf/profiles/76561198082347148#!/compare/1625097600/1625184000

24 keys, same day as above

https://backpack.tf/profiles/76561198082347148#!/compare/1627430400/1628035200

https://backpack.tf/profiles/76561198933349667#!/compare/1627948800/1628035200

25 keys

https://backpack.tf/profiles/76561198933349667#!/compare/1628208000/1628467200

https://backpack.tf/profiles/76561198078195232#!/compare/1628380800/1628467200

Untraceable

https://backpack.tf/profiles/76561199102407070#!/compare/1625616000/1625702400

https://backpack.tf/profiles/76561199084784906#!/compare/1625616000/1625702400

Untraceable

https://backpack.tf/profiles/76561198105735473#!/compare/1625616000/1625702400

https://backpack.tf/profiles/76561198935532676#!/compare/1625875200/1625961600

Untraceable

https://backpack.tf/profiles/76561198935532676#!/compare/1626566400/1626652800

https://backpack.tf/profiles/76561197988772368#!/compare/1626566400/1626652800

23 keys

https://backpack.tf/profiles/76561197988772368#!/compare/1626566400/1626652800

https://backpack.tf/profiles/76561198263721555#!/compare/1626566400/1626652800

25 keys

https://backpack.tf/profiles/76561198263721555#!/compare/1626652800/1626739200

https://backpack.tf/profiles/76561198306350827#!/compare/1626652800/1626739200

Looks to be ~23 keys

https://backpack.tf/profiles/76561198306350827#!/compare/1626825600/1626912000

https://backpack.tf/profiles/76561198074178367#!/compare/1626825600/1626912000

Untraceable

https://backpack.tf/profiles/76561198074178367#!/compare/1627171200/1627257600

https://backpack.tf/profiles/76561198439148431#!/compare/1627171200/1627257600

Might be 28 keys?

https://backpack.tf/profiles/76561198439148431#!/compare/1627171200/1627257600

https://backpack.tf/profiles/76561198053070636#!/compare/1627171200/1627257600

Twisted Radiance Convict Cap

Atomic Universal Translator

these were sold for ~26.5 in the same day

Sales:

23

23

23

24

25

25

26.5

28?

33

33

https://gyazo.com/73587e7629de6cce56090da840817adf

Buyers to 25

theres a lot of same day 1 key flip sales so i'll include 25 as a low end to somewhat incorporate those

going with 25-33