Item 1: https://backpack.tf/item/15834539636

Sale 1: Untrace, date lines up with Marketplace sale so could be that (Nov. 10th for buyer's update)

https://backpack.tf/profiles/76561198076022263#!/compare/1762732800/1768435200

https://backpack.tf/profiles/76561198081718514#!/compare/1754956800/1763424000

Item 2: https://backpack.tf/item/7956987419

Sale 1: Bot dump

https://backpack.tf/profiles/76561199110953283#!/compare/1767398400/1767571200

https://backpack.tf/profiles/76561199564942025#!/compare/1767484800/1767571200

Sale 2: Sold on STN same day, no history, listed to MannCo

https://backpack.tf/profiles/76561199564942025#!/compare/1767484800/1767571200

Item 3: https://backpack.tf/item/7956230923

Sale 1: 115k

https://backpack.tf/profiles/76561198166102098#!/compare/1766188800/1766361600

https://backpack.tf/profiles/76561198102282740#!/compare/1766188800/1766275200

Item 4: https://backpack.tf/item/7047708746

Sale 1: Incomplete, seller receives 61k (below buyers, might've been buyers at the time though), outgoing has 230k, and 133k are incoming to Trefix in 3rd compare for (presumably) the Bitey but with missing movements, since it is removed from Grima's inv (4th compare), but keys go to Trefix with nothing else involved

https://backpack.tf/profiles/76561198875667823#!/compare/1761782400/1761868800

https://backpack.tf/profiles/76561198061440669#!/compare/1761782400/1761868800

https://backpack.tf/profiles/76561199242236197#!/compare/1761782400/1761868800

https://backpack.tf/profiles/76561198163529974#!/compare/1760054400/1761868800

Item 5: https://backpack.tf/item/2351724702

Sale 1: 110k

https://backpack.tf/profiles/76561198882175555#!/compare/1761782400/1761868800

https://backpack.tf/profiles/76561198083328505#!/compare/1761696000/1761868800

Sale 2: Sold alongside a spelled The Marxman (VFB/Sinister) + 50k for a Moth Plague Cranial Cowl (which this is a mini for)

https://backpack.tf/profiles/76561198123789684#!/compare/1761868800/1762041600

https://backpack.tf/profiles/76561198083328505#!/compare/1761955200/1762041600

Sale 3: 100k

https://backpack.tf/profiles/76561198123789684#!/compare/1763856000/1763942400

https://backpack.tf/profiles/76561199100244095#!/compare/1763683200/1765324800

Humble matching key: https://backpack.tf/item/13607226265

Marketplace sale:

https://marketplace.tf/items/tf2/30118;5;u61

Sold for $269.99 on Nov 10th

https://marketplace.tf/items/tf2/5021;6

Key price for the day is $1.83

$269.99 / $1.83 = 147.53k

Classifieds link: https://imgur.com/a/5ksNzPr

Sales at 100k, 110k, 115k, and 147.53k. Excluding 147.53k as an outlier with an unsold at 135k for 2 months up right now. 100k is a slight outlier, but had about 3 weeks to move, so not a quicksell it seems. Taking 100k for the low end, and 115k for the high end.