Rat

Item 1:

https://backpack.tf/item/9312068454

Sale 1:

https://backpack.tf/profiles/76561197963500354#!/compare/1622246400/1622332800

https://backpack.tf/profiles/76561198018330195#!/compare/1622332800/1622592000

18 keys

Item 2:

https://backpack.tf/item/9365357266

Sale 1/2:

https://backpack.tf/profiles/76561198109986831#!/compare/1621728000/1621814400

https://backpack.tf/profiles/76561199125348079#!/compare/1621641600/1621814400

and

https://backpack.tf/profiles/76561199125348079#!/compare/1622160000/1624924800

https://backpack.tf/profiles/76561198109986831#!/compare/1622160000/1622246400

deposited then withdrawn from bot?

Sale 3:

https://backpack.tf/profiles/76561198109986831#!/compare/1624924800/1625011200

https://backpack.tf/profiles/76561198177872379#!/compare/1624924800/1625011200

what (untrace)

Sale 4:

https://backpack.tf/profiles/76561198177872379#!/compare/1625184000/1625270400

https://backpack.tf/profiles/76561198069265590#!/compare/1622160000/1625270400

untrace

Item 3:

https://backpack.tf/item/9821962490

Sale 1:

https://mannco.store/item/440-vexed-volcanics-unusual-semi-tame-trappers-hat

$36.84 / $1.69 = 21.80 keys

Sale 2:

https://backpack.tf/profiles/76561198061985321#!/compare/1623888000/1624147200

https://backpack.tf/profiles/76561198095022965#!/compare/1624060800/1624147200

untrace

Item 4:

https://backpack.tf/item/10116578123

Sale 1:

https://backpack.tf/profiles/76561198197292179#!/compare/1621209600/1621641600

https://backpack.tf/profiles/76561199006971039#!/compare/1621555200/1621641600

bulky bulk

Sale 2:

https://backpack.tf/profiles/76561199006971039#!/compare/1621728000/1621814400

bulky bulk

Item 5:

(no history)

Sale 1:

https://marketplace.tf/items/tf2/31147;5;u161

$44.99 / $1.90 = 23.68 keys

Sales:

18, 22, 24

Buyers at 17, bp sellers at 35+ , scm seller at ~32 keys, mp seller at ~25 keys

Taking 18 - 24 I guess