Counter to the current suggestion!

Item 1

https://backpack.tf/item/11455934308

Sale #1

Bulk sale-

Seller: https://backpack.tf/profiles/76561198054198170#!/compare/1694476800/1695081600

Buyer: https://backpack.tf/profiles/76561198054198170#!/compare/1694476800/1695081600

Item 2

https://backpack.tf/item/11401999843

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561199240976002#!/compare/1695772800/1695859200

Buyer: https://backpack.tf/profiles/76561198329634137#!/compare/1695168000/1696032000

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561198329634137#!/compare/1695168000/1696032000

Buyer: https://backpack.tf/profiles/76561199110809353#!/compare/1695945600/1696032000

Item 3

https://backpack.tf/item/10077697890

Sale #4

Untraceable?-

Seller: https://backpack.tf/profiles/76561198125791160#!/compare/1692748800/1693008000

Buyer: https://backpack.tf/profiles/76561199014090046#!/compare/1681948800/1693872000

Item 4

https://backpack.tf/item/600434664

Sale #5

Untraceable-

Seller: https://backpack.tf/profiles/76561198063978488#!/compare/1695859200/1696118400

Buyer: https://backpack.tf/profiles/76561198085861958#!/compare/1695686400/1695859200

Sale #6

Sold for 49 keys (ID "13584669470" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198085861958#!/compare/1695686400/1695859200

Buyer: https://backpack.tf/profiles/76561198032176942#!/compare/1695772800/1695859200

Sale #7

Untraceable?-

Seller: https://backpack.tf/profiles/76561198032176942#!/compare/1695859200/1695945600

Buyer: https://backpack.tf/profiles/76561199202485236#!/compare/1681948800/1696636800

Marketplace.tf Sales

https://marketplace.tf/items/tf2/631;5;u16

MP.TF Sale #1

Sold for $104 on August 6, 2023

Average Key Price @ $1.99ish

104/1.99 = 52.26ish keys

Unknown History

MP.TF Sale #2

Sold for $104 on August 10, 2023

Average Key Price @ $2.01ish

104/2.01 = 51.74ish keys

Unknown History

MP.TF Sale #3

Sold for $120 on August 19, 2023

Average Key Price @ $2.01ish

120/2.01 = 59.70ish keys

https://backpack.tf/item/12636624250

MP.TF Sale #4

Sold for $139.99 on September 10, 2023

Average Key Price @ $2.03ish

139.99/2.03 = 68.96ish keys

Unknown History

MP.TF Sale #5

Sold for $119.99 on October 1, 2023

Average Key Price @ $2.03ish

119.99/2.03 = 59.10ish keys

https://marketplace.tf/items/tf2/631;5;u16

Sales @ 49, 52, 52, 59, 60, 69

Taking 49-52 here