Item 1:

https://backpack.tf/item/13288190618

Sale 1:

Sold for 65 Keys (Unusual ID: "15158762482")

https://backpack.tf/profiles/76561198046264916#!/compare/1732060800/1732147200

https://backpack.tf/profiles/76561198067394277#!/compare/1732147200/1732752000

//

Item 2:

https://backpack.tf/item/13426890316

Sale 2:

Sold for 63 Keys (Buyer's compare)

https://backpack.tf/profiles/76561199059800460#!/compare/1731283200/1731369600

https://backpack.tf/profiles/76561198332655490#!/compare/1731283200/1731369600

//

Item 3:

https://backpack.tf/item/13386125913

Sale 3:

Sold for ~57 Keys

https://backpack.tf/item/10098659363 (Key ID: "15070707759")

https://backpack.tf/profiles/76561198349848918#!/compare/1729900800/1729987200

https://backpack.tf/profiles/76561198135234107#!/compare/1718928000/1731888000

//

Item 4:

https://backpack.tf/item/13258596263

Sale 4:

Sold for 61 Keys (Unusual ID: "15168681746)

https://backpack.tf/profiles/76561198218628708#!/compare/1729814400/1733097600

https://backpack.tf/profiles/76561198349848918#!/compare/1732320000/1732406400

Sale 5:

Sold for 68 Keys (Unusual ID: "15336717032")

https://backpack.tf/profiles/76561198349848918#!/compare/1736380800/1736467200

https://backpack.tf/profiles/76561198163506579#!/compare/1736380800/1736467200

Sale 6:

Gambled?

https://backpack.tf/profiles/76561198163506579#!/compare/1736553600/1736640000

https://backpack.tf/profiles/76561199017959799#!/compare/1736726400/1736812800

//

Item 5:

https://backpack.tf/item/13258465295

Sale 7:

Bulk

https://backpack.tf/profiles/76561198057377305#!/compare/1730073600/1730246400

https://backpack.tf/profiles/76561198316071886#!/compare/1730160000/1730246400

Sale 8:

Sold for 58 Keys

https://backpack.tf/profiles/76561198316071886#!/compare/1731196800/1731283200

https://backpack.tf/profiles/76561199127773728#!/compare/1731196800/1731283200

Sale 9:

Bulkish

https://backpack.tf/profiles/76561199127773728#!/compare/1731283200/1731456000

https://backpack.tf/profiles/76561199183171982#!/compare/1731283200/1731369600

//

Item 6:

https://backpack.tf/item/13240068854

Sale 10:

Sold for ~63 Keys (Unusual ID: "15148470076")

https://backpack.tf/profiles/76561198850274253#!/compare/1731801600/1731888000

https://backpack.tf/profiles/76561198848985609#!/compare/1731801600/1731888000

Sale 11:

Untraceable

https://backpack.tf/profiles/76561198848985609#!/compare/1732320000/1732406400

https://backpack.tf/profiles/76561199697394581#!/compare/1732320000/1732406400

//

Item 7:

https://backpack.tf/item/14509424802

Sale 12:

Bulk

https://backpack.tf/profiles/76561198116614482#!/compare/1735430400/1735689600

https://backpack.tf/profiles/76561199775742744#!/compare/1735516800/1735689600

Skipping gambling

Sale 13:

Untraceable

https://backpack.tf/profiles/76561198067019877#!/compare/1735430400/1736121600

https://backpack.tf/profiles/76561198183617811#!/compare/1736035200/1736208000

//

Total Sales

57, 58, 61, 63, 63, 65, 68

https://imgur.com/vAYdSpG

Excluding 68 since it was gambled shortly after

Taking 57 - 65 Keys

Unsolds:

https://backpack.tf/item/14509424802 - 70

https://backpack.tf/item/13258465295 - $119.99