and this one

History #1 - https://backpack.tf/item/7038564115

Sale #1 - untrace

https://backpack.tf/profiles/76561197963500354#!/compare/1669248000/1669852800

https://backpack.tf/profiles/76561199107865875#!/compare/1669334400/1669420800

Sale #2 - untrace

https://backpack.tf/profiles/76561199199136084#!/compare/1669420800/1669507200

https://backpack.tf/profiles/76561199107865875#!/compare/1669420800/1669593600

Sale #3 - 13 keys

https://backpack.tf/profiles/76561199199136084#!/compare/1670025600/1670112000

https://backpack.tf/profiles/76561198846853467#!/compare/1670025600/1670112000

Sale #4 - 7 keys connect, untrace

https://backpack.tf/profiles/76561198846853467#!/compare/1670112000/1670198400

https://backpack.tf/profiles/76561198101920013#!/compare/1670112000/1670198400

Sale #5 - 11 keys

https://backpack.tf/profiles/76561198034540852#!/compare/1670112000/1670198400

https://backpack.tf/profiles/76561198101920013#!/compare/1670112000/1670198400

Sale #6 - 3 bills + 4 keys

https://backpack.tf/profiles/76561198091015032#!/compare/1670284800/1670371200

https://backpack.tf/profiles/76561198034540852#!/compare/1670198400/1670371200

bills quicksold together for 9 keys 27 ref instantly

taking this sale as 13 keys 27 ref

Sale #7 - use there

https://backpack.tf/profiles/76561198096802308#!/compare/1671494400/1671580800

https://backpack.tf/profiles/76561198091015032#!/compare/1671408000/1671494400

History #2 - https://backpack.tf/item/6907441026

Sale #1 - untrace

https://backpack.tf/profiles/76561199059698603#!/compare/1669420800/1669507200

https://backpack.tf/profiles/76561199103414359#!/compare/1669507200/1669939200

Sale #2 - untrace

https://backpack.tf/profiles/76561199103414359#!/compare/1670544000/1670803200

https://backpack.tf/profiles/76561199042160997#!/compare/1670716800/1670803200

History #3 - https://backpack.tf/item/7842933809

Sale #1 - less than buyers in bulk

https://backpack.tf/profiles/76561197999225116#!/compare/1668902400/1669075200

https://backpack.tf/profiles/76561198195563143#!/compare/1667433600/1669075200

----

Sales - 7 / 11 / 13 / 13.4

Classi - https://gyazo.com/c0f125a3a1882cc6ceb46f452dc1844d

Excluding 7

Taking 11 - 13 keys