Item 1

https://backpack.tf/item/11856043508

Sale #1

Untraceable?-

Seller: https://backpack.tf/profiles/76561198025784696#!/compare/1698624000/1705190400

Buyer: https://backpack.tf/profiles/76561198042634121#!/compare/1705190400/1705276800

Sale #2

Sold for a Knifestorm Brain Bucket + some keys? This seems too high just taking buyers and unlikely to have been the trade so better to not use-

Seller: https://backpack.tf/profiles/76561198042634121#!/compare/1705276800/1705363200

Buyer: https://backpack.tf/profiles/76561198057452720#!/compare/1705363200/1705449600

Sale #3

Untraceable?-

Seller: https://backpack.tf/profiles/76561198057452720#!/compare/1705536000/1705622400

Buyer: https://backpack.tf/profiles/76561198165548985#!/compare/1704931200/1705622400

Item 2

https://backpack.tf/item/3485534456

Sale #4

Sold for 250 keys (keys in the bulk match)-

Seller: https://backpack.tf/profiles/76561198114465786#!/compare/1704499200/1704585600

Buyer: https://backpack.tf/profiles/76561198073126202#!/compare/1704585600/1704672000

Sale #5

Sold for 330 keys (keys in the buyer's side match)-

Seller: https://backpack.tf/profiles/76561198073126202#!/compare/1709337600/1709510400

Buyer: https://backpack.tf/profiles/76561198254882979#!/compare/1709424000/1709510400

Sale #6

Sold with a spelled Genuine Companion Cube Pin for another Collector's Pro KS Original-

Seller: https://backpack.tf/profiles/76561198254882979#!/compare/1711756800/1711843200

Buyer: https://backpack.tf/profiles/76561199001114266#!/compare/1711670400/1711929600

Item 3

https://backpack.tf/item/2925341537

Sale #7

Sold for 350 keys (keys in the buyer's side match)-

Seller: https://backpack.tf/profiles/76561198342722151#!/compare/1709596800/1709856000

Buyer: https://backpack.tf/profiles/76561198067213100#!/compare/1709856000/1710288000

Item 4

https://backpack.tf/item/2713370515

Sale #8

Sold for a spelled Genuine Companion Cube Pin + another Collector's Pro KS Original-

Seller: https://backpack.tf/profiles/76561199001114266#!/compare/1711670400/1711929600

Buyer: https://backpack.tf/profiles/76561198254882979#!/compare/1711756800/1711843200

Item 5

https://backpack.tf/item/2677869305

Sale #9

Sold for 290 keys (ID "14330994943" of the item matches)-

Seller: https://backpack.tf/profiles/76561198105121641#!/compare/1711843200/1711929600

Buyer: https://backpack.tf/profiles/76561199580417144#!/compare/1711843200/1711929600

Item 6

https://backpack.tf/item/2482475540

Ignoring this given its all just a trade-back

Item 7

https://backpack.tf/item/2374308837

Ignoring what seems to be a transfer between two of the same bots?

Sale #10

Sold for 195 keys (ID '14100877121" of the item matches)-

Seller: https://backpack.tf/profiles/76561198043657982#!/compare/1706227200/1706400000

Buyer: https://backpack.tf/profiles/76561198824411957#!/compare/1706400000/1706486400

Sale #11

Untraceable?-

Seller: https://backpack.tf/profiles/76561199349878855#!/compare/1708560000/1708646400

Buyer: https://backpack.tf/profiles/76561198143717568#!/compare/1708732800/1708819200

Item 8

https://backpack.tf/item/2291911351

Sale #12

Sold for 207 keys (keys in the buyer's side match)-

Seller: https://backpack.tf/profiles/76561198805428379#!/compare/1704067200/1704153600

Buyer: https://backpack.tf/profiles/76561198973565486#!/compare/1703808000/1710201600

Item 9

https://backpack.tf/item/2234114922

Sale #13

Untraceable?-

Seller: https://backpack.tf/profiles/76561198258288214#!/compare/1705881600/1706054400

Buyer: https://backpack.tf/profiles/76561199582430086#!/compare/1705276800/1707696000

Item 10

https://backpack.tf/item/2202546851

Sale #14

Sold for 260 keys (seller's side is clean enough to call it that)-

Seller: https://backpack.tf/profiles/76561198072620396#!/compare/1705190400/1708732800

Buyer: https://backpack.tf/profiles/76561198081980837#!/compare/1706572800/1709596800

SCM Sales

Collector's Original

https://steamcommunity.com/market/listings/440/Collector%27s%20Original

Jan 27 2024 = 304.999/2.10 = 145.23ish keys

Feb 07 2024 = 521.64/2.12 = 246.05ish keys

Pro KS Collector's Original

https://steamcommunity.com/market/listings/440/Collector%27s%20Professional%20Killstreak%20Original

Mar 20 2024 = 950.26/1.96 = 484.82ish keys

Marketplace.tf Sales

Pro KS Collector's Originial

https://marketplace.tf/items/tf2/513;14;kt-3

Jan 15 2024 = 600/1.68 = 357.14ish keys

Feb 01 2024 = 600/1.70 = 352.94ish keys

Sales @ 145, 195, 207, 246, 250, 260, 290, 330, 350, 353, 357, 485

Rounding and taking 200-350 here :3