Many thanks to Icycrevasse for the help!

Item 1

https://backpack.tf/item/4694018739

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561199219758482#!/compare/1682553600/1682640000

Buyer: https://backpack.tf/profiles/76561198453530349#!/compare/1682553600/1682640000

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561198453530349#!/compare/1688256000/1688342400

Buyer: https://backpack.tf/profiles/76561198135456426#!/compare/1663804800/1688428800

Item 2

https://backpack.tf/item/5603036774

Sale #3

Sold with a Circling Heart Federal Casemaker (49 keys) + a pair of earbuds for a Sunbeams Dr's Dapper Topper (137 keys) = 137-49 = 88 keys-

Seller: https://backpack.tf/profiles/76561198439498211#!/compare/1680739200/1680825600

Buyer: https://backpack.tf/profiles/76561198057954897#!/compare/1680739200/1680825600

Casemaker Mini

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Mini for Dapper Topper

Item 1

https://www.backpack.tf/item/266547311

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198196939174#!/compare/1680480000/1680652800

Buyer: https://backpack.tf/profiles/76561199084784906#!/compare/1682899200/1682985600

Sale #2

Sold for 63 keys-

Seller: https://backpack.tf/profiles/76561199084784906#!/compare/1684368000/1684454400

Buyer: https://backpack.tf/profiles/76561198010188541#!/compare/1684281600/1684454400

Sale #3

Sold for 102 keys-

Seller: https://backpack.tf/profiles/76561198010188541#!/compare/1685750400/1685836800

Buyer: https://backpack.tf/profiles/76561198163609625#!/compare/1685750400/1685836800

Item 2

https://www.backpack.tf/item/194275718

Sale #4

Sold for a Sunbeams Hat Outta Hell (no usable sales for it, unusable)-

Seller: https://backpack.tf/profiles/76561198240217520#!/compare/1680825600/1681257600

Buyer: https://backpack.tf/profiles/76561198057954897#!/compare/1680739200/1680825600

Sale #5

Sold for a Circling Heart Federal Casemaker + a Cloud 9 Patriot Peak (using this sale to price the Peak)-

Seller: https://backpack.tf/profiles/76561198057954897#!/compare/1680739200/1680825600

Buyer: https://backpack.tf/profiles/76561198439498211#!/compare/1680739200/1680825600

Sale #6

Untraceable-

Seller: https://backpack.tf/profiles/76561198439498211#!/compare/1680825600/1681171200

Buyer: https://backpack.tf/profiles/76561198172035674#!/compare/1681257600/1681344000

Sale #7

Sold for 137 keys-

Seller: https://backpack.tf/profiles/76561198172035674#!/compare/1684108800/1684281600

Buyer: https://backpack.tf/profiles/76561199072654974#!/compare/1684195200/1684281600

Sales @ 63, 102, 137

Taking 137 flat here

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Sale #4

Sold with a Stormy Storm War Pig for a Burning Flames Full Metal Drill Hat (too low to include)-

Seller: https://backpack.tf/profiles/76561198057954897#!/compare/1680912000/1680998400

Buyer: https://backpack.tf/profiles/76561198069740897#!/compare/1679529600/1680912000

Sale #5

Bulk Sale-

Seller: https://backpack.tf/profiles/76561198069740897#!/compare/1681257600/1682899200

Buyer: https://backpack.tf/profiles/76561198105071091#!/compare/1681430400/1681516800

Only sale at 88

Taking 88 flat here