First suggestion for PP King Cardbeard

1.https://backpack.tf/item/9329821517

https://backpack.tf/profiles/76561199098026893#!/compare/1609113600/1609200000 - 13 k.

https://backpack.tf/profiles/76561198137934248#!/compare/1610409600/1610496000 - bulk

https://backpack.tf/profiles/76561198203205792#!/compare/1610496000/1610582400 - 13 k.+ Genuine Shred Alert (total ~15)

https://backpack.tf/profiles/76561198203205792#!/compare/1613088000/1613433600 - bulk

2.https://backpack.tf/item/9447590871

https://backpack.tf/profiles/76561198072942714#!/compare/1607472000/1608076800 - 17 k (dec.2020)(old)

https://backpack.tf/profiles/76561198151719994#!/compare/1611532800/1614297600 - no trace.

and trace in mannco shop - ?

3.https://backpack.tf/item/9837883079

https://backpack.tf/profiles/76561198066220061#!/compare/1614297600/1614384000 - 10 k

https://backpack.tf/profiles/76561198068548723#!/compare/1614988800/1615248000 - no trace.

4.https://backpack.tf/item/9405119232

No trace/

https://backpack.tf/profiles/76561198453530349#!/compare/1615248000/1615334400

https://backpack.tf/profiles/76561198055561981#!/compare/1615334400/1615852800

5.https://backpack.tf/item/9484429699

No trace/

https://backpack.tf/profiles/76561198850178158#!/compare/1614297600/1614384000

https://backpack.tf/profiles/76561198117020616#!/compare/1614556800/1615248000

https://backpack.tf/profiles/76561198327077495#!/compare/1615161600/1615852800

https://backpack.tf/profiles/76561199102199351#!/compare/1615075200/1615161600

6.https://backpack.tf/item/9290086762

https://backpack.tf/profiles/76561198092040160#!/compare/1613606400/1614211200 - trade cardbeard + 15k for Strange Vexed Volcanics A Handsome Handy Thing(unprice)

https://backpack.tf/profiles/76561198339104273#!/compare/1614038400/1614556800 - 13 k.

7.https://backpack.tf/item/9410727711

https://backpack.tf/profiles/76561198084270834#!/compare/NaN/1610582400 - no trace.

https://backpack.tf/profiles/76561199102199351#!/compare/1610150400/1610323200 - too.

https://backpack.tf/profiles/76561199099031605#!/compare/1610496000/1610841600 - no trace.

8. https://backpack.tf/item/9347464795

old.

9.https://backpack.tf/item/9296006547

https://backpack.tf/profiles/76561198347872221#!/compare/1610150400/1612051200 - bulk for gold rocket

https://backpack.tf/profiles/76561198074824559#!/compare/1611705600/1611792000 - no trace.

https://backpack.tf/profiles/76561198109092184#!/compare/1614643200/1615075200 - no trace.

https://backpack.tf/profiles/76561199010151222#!/compare/1614902400/1614988800 - no trace.

https://backpack.tf/profiles/76561198109092184#!/compare/1615334400/1615852800- no trace.

https://backpack.tf/profiles/76561198109092184#!/compare/1615334400/1615852800- no trace.

10.https://backpack.tf/item/9352539389

old.

11.https://marketplace.tf/items/tf2/31130;5;u163 - new sale at $39.99 (19 keys)

12. https://gladiator.tf/listings/607c5b5e5d1922f936bf60b8

https://backpack.tf/profiles/76561198053811988#!/compare/1618790400/1619222400

https://backpack.tf/profiles/76561199101731701#!/compare/1618531200/1618790400 - likely bought for 11~ keys

https://backpack.tf/profiles/76561198332390089#!/compare/1619136000/1619222400

https://backpack.tf/profiles/76561198207549307#!/compare/1619136000/1619222400 - sold for 11~ keys

https://backpack.tf/profiles/76561198064658655#!/compare/1615939200/1616025600

https://backpack.tf/profiles/76561198091502579#!/compare/1615939200/1616025600 - sold for 12 keys

https://backpack.tf/profiles/76561198940097102#!/compare/1617408000/1617494400

https://backpack.tf/profiles/76561199102199351#!/compare/1617408000/1617494400

https://gladiator.tf/listings/6068e46153569c93979216f2 - likely bought for 11~ keys

https://gladiator.tf/listings/607f47a9178b42d20829c086

https://backpack.tf/profiles/76561199099031605#!/compare/1618876800/1618963200 - likely bought for 11~ keys

https://gladiator.tf/sales?item=Pumpkin%20Party%20King%20Cardbeard&at=2021-04-25T16:52:28.709Z - glad.tf shows 4 sales at 11~ keys (likely were the ones i mentioned above)

currently 4 sellers at 12 - 13 keys as well

Total: 11-13.