Instance: https://backpack.tf/item/11464926381

Sale 1:

0 sell https://backpack.tf/profiles/76561198155981570#!/compare/1660521600/1660780800

Sold for 245 pure keys

Instance: https://backpack.tf/item/3302661899

Sale 2:

0 buy https://backpack.tf/profiles/76561198835951886#!/compare/1658188800/1659484800

0 sell https://backpack.tf/profiles/76561198967110174#!/compare/1658880000/1659139200

Untraceable

Sale 3:

1 buy https://backpack.tf/profiles/76561198967110174#!/compare/1658448000/1658534400

1 sell https://backpack.tf/profiles/76561198273057915#!/compare/1658448000/1658534400

Traded for Purple Confetti Le Party Phantom = 173 keys

Mini for Purple Confetti Le Party Phantom:

https://gladiator.tf/time-machine?item=Purple+Confetti+Le+Party+Phantom&at=2022-07-21T22%3A52%3A00.000Z

Well known and experienced sellers at 250 keys, suggestion at high 95 keys, buyers at 60 keys.

Excluding buyer as they seemed very low. Taking average (250+95)/2 = 173 keys

Sale 4:

2 sell https://backpack.tf/profiles/76561198057355049#!/compare/1658188800/1658275200

Untraceable

Sale 5:

3 buy https://backpack.tf/profiles/76561198057355049#!/compare/1657929600/1658016000

3 sell https://backpack.tf/profiles/76561197996988090#!/compare/1657929600/1658016000

Sold for 200 pure keys

Sale 6:

4 buy https://backpack.tf/profiles/76561197996988090#!/compare/1657843200/1657929600

4 sell https://backpack.tf/profiles/76561198057355049#!/compare/1657843200/1657929600

Traded in big bulk so hard to tell

Sale 7:

5 buy https://backpack.tf/profiles/76561198057355049#!/compare/1657152000/1657411200

5 sell https://backpack.tf/profiles/76561198057452720#!/compare/1657324800/1657411200

Sold for 241 pure keys

Sale 8:

6 buy https://backpack.tf/profiles/76561198057452720#!/compare/1656720000/1656806400

6 sell https://backpack.tf/profiles/76561198129335801#!/compare/1656374400/1656806400

Huge Cotton Head collection for a gpan, bulk, hard to tell

No marketplace sales recently

Sales: 173, 200, 241, 245

Currently buyers at 207 (was more few days ago)

https://gladiator.tf/time-machine?item=Death+at+Dusk+Cotton+Head&at=2022-09-26T22%3A57%3A00.000Z

so excluding 173 and 200 sale

Rounding and taking 240 flat