Resuggesting! Thank you to Blaze for letting me know of the new sale that happened!

Item 1

https://backpack.tf/item/12646299456

Sale #1

Traded between STN bots-

https://backpack.tf/item/12646299456

Sale #2

Bulk and untraceable?-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1686873600/1686960000

Buyer: https://backpack.tf/profiles/76561198392642413#!/compare/1686960000/1687910400

Item 2

https://backpack.tf/item/11604435620

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561199072654974#!/compare/1689120000/1689292800

Buyer: https://backpack.tf/profiles/76561199236544150#!/compare/1668556800/1689897600

Item 3

https://backpack.tf/item/11294336990

History seems to have started being gambled with Zagi so not worth checking those sales

Sale #4

Untraceable?-

Seller: https://backpack.tf/profiles/76561199482962726#!/compare/1685750400/1685923200

Buyer: https://backpack.tf/profiles/76561198043059273#!/compare/1685491200/1685923200

Sale #5

Sold for a Haunted Ghosts Noble Nickel Amassment of Hats (not usable, no usable sales for the Amassment of Hats) + 2 keys (ID "13144699370" of the unusual match)-

Seller: https://backpack.tf/profiles/76561198043059273#!/compare/1686614400/1686700800

Buyer: https://backpack.tf/profiles/76561198294542813#!/compare/1657411200/1686700800

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Mini for Haunted Ghosts Noble Nickel Amassment of Hats

Item 1

https://backpack.tf/item/8170376234

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198841279602#!/compare/1684540800/1684627200

Buyer: https://backpack.tf/profiles/76561198280524116#!/compare/1684540800/1684627200

Item 2

https://backpack.tf/item/12940083120

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561199059698603#!/compare/1685145600/1685232000

Buyer: https://backpack.tf/profiles/76561198280524116#!/compare/1685145600/1685232000

Item 3

https://backpack.tf/item/4953271614

This whole history seems to just be a gambling fest so probably not worth using

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Item 4

https://backpack.tf/item/10889883816

Sale #6

Untraceable-

Seller: https://backpack.tf/profiles/76561199101711836#!/compare/1684108800/1684195200

Buyer: https://backpack.tf/profiles/76561198164651434#!/compare/1689033600/1689724800

Sale #7

Untraceable-

Seller: https://backpack.tf/profiles/76561198164651434#!/compare/1690848000/1690934400

Buyer: https://backpack.tf/profiles/76561199074112848#!/compare/1690848000/1690934400

Item 5

https://backpack.tf/item/10787690088

Sale #8

Untraceable-

Seller: https://backpack.tf/profiles/76561197991314163#!/compare/1685750400/1685923200

Buyer: https://backpack.tf/profiles/76561199243800888#!/compare/1688083200/1688083200

Item 6

https://backpack.tf/item/10764561816

Sale #9

Sold for a Dead Presidents Brain-Warming Wear (seems to low to use here)-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1685923200/1686009600

Buyer: https://backpack.tf/profiles/76561199068867052#!/compare/1685750400/1686355200

Marketplace.tf Sales

https://marketplace.tf/items/tf2/31212;5;u203

MP.TF Sale #1

Sold for $17 on June 18, 2023

Keys @ $2.02

17/2.02 = 8.42ish keys

MP.TF Sale #2-3

Sold for $24.99 on July 3, 2023

Keys @ $1.98

24.99/1.98 = 12.62ish keys

MP.TF Sale #4

Sold for $24.99 on July 6, 2023

Keys @ $1.99

24.99/1.99 = 12.56ish keys

MP.TF Sale #5

Sold for $24.99 on July 18, 2023

Keys @ $1.97

24.99/1.97 = 12.69ish keys

MP.TF Sale #6

Sold for $24.99 on July 20, 2023

Keys @ $1.95

24.99/1.95 = 12.82ish keys

MP.TF Sale #7

Sold for $24.99 on July 27, 2023

Keys @ $1.95

24.99/1.95 = 12.82ish keys

MP.TF Sale #8

Sold for $24.99 on July 28, 2023

Keys @ $1.95

24.99/1.95 = 12.82ish keys

MP.TF Sale #9-10

Sold for $24.99 on July 30, 2023

Keys @ $1.95

24.99/1.95 = 12.82ish keys

MP.TF Sale #11

Sold for $24.99 on July 31, 2023

Keys @ $1.95

24.99/1.95 = 12.82ish keys

MP.TF Sale #12

Sold for $24.99 on August 3, 2023

Keys @ $1.95

24.99/1.95 = 12.82ish keys

MP.TF Sale #13

Sold for $24.99 on August 12, 2023

Keys @ $2

24.99/2 = 12.49ish keys

Sales @ 8, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13

Taking 12-13