Item 1

https://backpack.tf/item/6134246540

Sale #1

Sold for 72 keys + 23.33 refined (some keys trace with IDs on the seller's side but the rest are found in the buyer's side, this would round down to 72 given current key prices)-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1694390400/1694476800

Buyer: https://backpack.tf/profiles/76561198320941477#!/compare/1694476800/1694563200

Item 2

https://backpack.tf/item/7047602822

Second sale was a transfer between some website bots? Not looking at that

Sale #2

Possibly gambled or bulk transfer?-

Seller: https://backpack.tf/profiles/76561198059282465#!/compare/1696636800/1696723200

Buyer: https://backpack.tf/profiles/76561199428643911#!/compare/1696464000/1696723200

Item 3

https://backpack.tf/item/8747208011

Sale #3

Bulk sale or transfer?-

Seller: https://backpack.tf/profiles/76561198123373965#!/compare/1692921600/1695859200

Buyer: https://backpack.tf/profiles/76561198057897812#!/compare/1692921600/1693094400

Sale #4

Sold for 90 keys (compare is pretty clean and the seller had a sell order at the exact same amount)-

Seller: https://backpack.tf/profiles/76561198057897812#!/compare/1696377600/1696464000

Buyer: https://backpack.tf/profiles/76561198410607873#!/compare/1696464000/1696550400

Seller Order: https://gladiator.tf/time-machine?item=Sunbeams%20Field%20Practice&at=2023-10-04T12:06:27.000Z

Item 4

https://backpack.tf/item/12146038653

Sale #5

Untraceable?-

Seller: https://backpack.tf/profiles/76561199072654974#!/compare/1691107200/1691193600

Buyer: https://backpack.tf/profiles/76561198114604882#!/compare/1694131200/1694304000

Marketplace.tf Sales

MP.TF Sale #1

Sold for $189.99 on August 16, 2023

Average Key Price @ $2.03ish

189.99/2.03 = 93.59ish keys

Unknown History

MP.TF Sale #2

Sold for $179.99 on October 18, 2023

Average Key Price @ $1.97ish

179.99/1.97 = 91.36ish keys

https://backpack.tf/item/6134246540

Sales @ 72. 90, 91, 94

Taking 72-94 here