Item 1

https://backpack.tf/item/9815067608

Sale 1

https://backpack.tf/profiles/76561198059421060#!/compare/1721692800/1721779200

https://backpack.tf/profiles/76561198915384719#!/compare/1721692800/1722038400

14 keys in buyer key history

Sale 2

https://backpack.tf/profiles/76561198915384719#!/compare/1722038400/1722384000

https://backpack.tf/profiles/76561198011606085#!/compare/1722124800/1722384000

15 keys

Item 2

https://backpack.tf/item/8719059461

Sale 1

https://backpack.tf/profiles/76561199014052175#!/compare/1720656000/1722384000

https://backpack.tf/profiles/76561198134190635#!/compare/1721952000/1722038400

bot dump

Sale 2

https://backpack.tf/profiles/76561198134190635#!/compare/1722038400/1722211200

https://backpack.tf/profiles/76561198141781370#!/compare/1721779200/1722038400

untraced

Sale 3

https://backpack.tf/profiles/76561198141781370#!/compare/1722038400/1722124800

https://backpack.tf/profiles/76561198162339320#!/compare/1722038400/1722124800

obtained with Kill Covered Sniper Rifle (Factory New) for 23 keys

Mini:

no tracable sale history

https://steamcommunity.com/market/listings/440/Kill%20Covered%20Sniper%20Rifle%20%28Factory%20New%29

$13.91/$2.23 = 6 keys

https://imgur.com/a/cJc468X

mp.tf selling @ $6.99/$1.91 = 3.5 keys

price it for 3.5 keys

Highway Star sell @ 19.5 keys

Sale 3

https://backpack.tf/profiles/76561198162339320#!/compare/1723334400/1723420800

https://backpack.tf/profiles/76561198168800610#!/compare/1723334400/1723420800

bulk

Sale 4

https://backpack.tf/profiles/76561198168800610#!/compare/1724976000/1725235200

https://backpack.tf/profiles/76561199259807357#!/compare/1725148800/1725235200

key history match the buyer's removed Terror-Watt Reggaelator

29 keys

Sale 5

https://backpack.tf/profiles/76561199259807357#!/compare/1725235200/1725321600

https://backpack.tf/profiles/76561199669542997#!/compare/1725235200/1725321600

add 72 Taunt: Didgeridrongo for Clairvoyance Highway Star

both outdated price, not use here

Sale 6

https://backpack.tf/profiles/76561199669542997#!/compare/1725321600/1725408000

https://backpack.tf/profiles/76561198930632283#!/compare/1725321600/1725408000

proof from last suggestion:

https://imgur.com/v6VnetY

20 keys

Sale 7

https://backpack.tf/profiles/76561198930632283#!/compare/1725494400/1725580800

https://backpack.tf/profiles/76561199443869236#!/compare/1725494400/1725580800

bulk

Sale 8

https://backpack.tf/profiles/76561199443869236#!/compare/1725580800/1725753600

https://backpack.tf/profiles/76561198807259818#!/compare/1725580800/1725667200

14 keys

mp.tf

https://marketplace.tf/items/tf2/31010;5;u111

2 sales 4 Aug & 15 Sep

$29.99/$1.75 = 17 keys

$29.99/$1.89 = 18 keys

2@14

1@15

1@17

1@18

1@19.5

1@20

1@29

SO @ 50 and BO @ 14

taking 14 - 29 keys