Special thanks to Icycrevasse for helping!

Item 1

https://backpack.tf/item/6780832285

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198337734785#!/compare/1684281600/1684368000

Buyer: https://backpack.tf/profiles/76561198207690748#!/compare/1683763200/1685318400

Item 2

https://backpack.tf/item/1877952393

Sale #2

Untraceable?-

Seller: https://backpack.tf/profiles/76561199097881850#!/compare/1678752000/1681344000

Buyer: https://backpack.tf/profiles/76561199026390261#!/compare/1681257600/1681430400

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1684022400/1684195200

Buyer: https://backpack.tf/profiles/76561198135388328#!/compare/1684108800/1684195200

Sale #4

Sold for 33 keys + 4.88 refined (near IDs in buyer's side match)-

Seller: https://backpack.tf/profiles/76561198135388328#!/compare/1685318400/1685404800

Buyer: https://backpack.tf/profiles/76561198033944846#!/compare/1685404800/1685491200

Item 3

https://backpack.tf/item/10933602162

Sale #5

Sold with sweets (19ish keys) for a Sparkling Lights Bumble Beenie (53.5 keys) = 34.5 keys-

Seller: https://backpack.tf/profiles/76561198224666544#!/compare/1683244800/1684368000

Buyer: https://backpack.tf/profiles/76561198850121720#!/compare/1683244800/1683331200

Sparkling Beenie Suggestion: https://backpack.tf/suggestion/649280b56a804593150f93ce

Using this sale to price the Sparkling Beenie

Sales @6-7

Traded between bots-

https://backpack.tf/item/10933602162

Sale #8

Untraceable-

Seller: https://backpack.tf/profiles/76561199059698603#!/compare/1686182400/1686268800

Buyer: https://backpack.tf/profiles/76561198203778081#!/compare/1686355200/1686700800

Item 4

https://backpack.tf/item/12230071631

Sale #9

Untraceable-

Seller: https://backpack.tf/profiles/76561199242563718#!/compare/1681257600/1681430400

Buyer: https://backpack.tf/profiles/76561198827742151#!/compare/1681516800/1681603200

Sale #10

Untraceable-

Seller: https://backpack.tf/profiles/76561198827742151#!/compare/1681776000/1681862400

Buyer: https://backpack.tf/profiles/76561198311498888#!/compare/1681776000/1681862400

Sale #11

Transferred between bots-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1684454400/1684540800

Buyer: https://backpack.tf/profiles/76561199026390261#!/compare/1684454400/1684627200

Item 5

https://backpack.tf/item/12608065570

Sale #12

Untraceable-

Seller: https://backpack.tf/profiles/76561199257984577#!/compare/1681430400/1685232000

Buyer: https://backpack.tf/profiles/76561198135388328#!/compare/1685059200/1685145600

Sale #13

Untraceable, probably traded between bots?-

Seller: https://backpack.tf/profiles/76561198135388328#!/compare/1685145600/1685232000

Buyer: https://backpack.tf/profiles/76561199072654974#!/compare/1685145600/1685232000

Sale #14

Untraceable-

Seller: https://backpack.tf/profiles/76561199072654974#!/compare/1685404800/1685491200

Buyer: https://backpack.tf/profiles/76561198337734785#!/compare/1685404800/1685491200

Sale #15

Untraceable-

Seller: https://backpack.tf/profiles/76561198337734785#!/compare/1685664000/1685750400

Buyer: https://backpack.tf/profiles/76561198047547129#!/compare/1684540800/1686873600

Marketplace.tf Sales

https://marketplace.tf/items/tf2/538;5;u33

Marketplace.tf Sale #1

Sold for $94.99 on June 18, 2023

Keys @ $2.02

94.99/2.02 = 47.02ish keys

Sales @ 33, 47

Taking 33 flat