Item 1

https://backpack.tf/item/4509673877

Sale #1

Sold for 90 keys (ID "13238368641" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198453530349#!/compare/1689033600/1689120000

Buyer: https://backpack.tf/profiles/76561198137035260#!/compare/1689120000/1689811200

Sale #2

Bulk-

Seller: https://backpack.tf/profiles/76561198137035260#!/compare/1690156800/1690416000

Buyer: https://backpack.tf/profiles/76561198114604882#!/compare/1690329600/1690416000

Item 2

https://backpack.tf/item/4192926360

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561199072654974#!/compare/1685318400/1685404800

Buyer: https://backpack.tf/profiles/76561199060373969#!/compare/1678233600/1686096000

Item 3

https://backpack.tf/item/4185417745

Sale #4

Bulk but untraceable-

Seller: https://backpack.tf/profiles/76561198166381563#!/compare/1639526400/1683763200

Buyer: https://backpack.tf/profiles/76561198850274253#!/compare/1683849600/1683936000

Sale #5

Untraceable-

Seller: https://backpack.tf/profiles/76561198850274253#!/compare/1687219200/1687305600

Buyer: https://backpack.tf/profiles/76561198354855217#!/compare/1673049600/1687305600

Sale #6

Untraceable-

Seller: https://backpack.tf/profiles/76561198354855217#!/compare/1687910400/1688083200

Buyer: https://backpack.tf/profiles/76561199026390261#!/compare/1688083200/1688169600

Sale #7

Seems to have been bought with a Disco Beat Down Tough Stuff Muffs but no clue what it was sold for, untraceable-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1689379200/1689724800

Buyer: https://backpack.tf/profiles/76561198055847835#!/compare/1689292800/1689897600

Marketplace.tf Sales

https://marketplace.tf/items/tf2/30623;5;u62

MP.TF Sale #1

Sold for $179.99 on May 6, 2023

Keys @ $2.04

179.99/2.04 = 88.23ish keys

MP.TF Sale #2

Sold for $169.95 on July 27, 2023

Keys @ $1.95

169.95/1.95 = 87.15ish keys

Sales @ 87, 88, 90

Taking 87-90 here