Resuggestion

https://marketplace.tf/items/tf2/30839;5;u3006

Oct 28 - $11.35 = 6.3 keys

Nov 16 - $13.99 = 7.8 keys

Dec 8 - $11.15 = 6.6 keys

Dec 29 - $12.89 = 7.2 keys

https://backpack.tf/profiles/76561198080179568#!/compare/1573516800/1573603200

https://backpack.tf/profiles/76561198099389110#!/compare/1573776000/1573948800

This is the November 16 Marketplace sale.

All the other Marketplace sales are in these histories somewhere, all of the affected histories are covered in this suggestion.

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bot.tf

https://bot.tf/stats/item?def=30839&q=5&ef=Screaming%20Tiger&craft=1&aus=0&ks=0&source=browser_script

https://gyazo.com/b9e672c26ad2dc8b7ea2cf61dc6ddc81

Nov 16 - 7 keys

Dec 26 - 7 keys, 16 refined

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https://backpack.tf/profiles/76561198069616176#!/compare/1572566400/1572739200

https://backpack.tf/profiles/76561198841279602#!/compare/1572566400/1572652800

7 keys

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https://backpack.tf/profiles/76561198967638464#!/compare/1572393600/1572912000

https://backpack.tf/profiles/76561198841279602#!/compare/1572307200/1572393600

Bulk or Untraceable or Quicksell

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https://backpack.tf/profiles/76561198967638464#!/compare/1570579200/1572393600

https://backpack.tf/profiles/76561198930004978#!/compare/1572220800/1572393600

Bulk or Untraceable

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https://backpack.tf/profiles/76561198140810252#!/compare/1570320000/1570752000

https://backpack.tf/profiles/76561198097271466#!/compare/1570665600/1570752000

Untraceable

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https://backpack.tf/profiles/76561198097271466#!/compare/1573776000/1573862400

https://backpack.tf/profiles/76561198020235082#!/compare/1573862400/1573948800

Untraceable, buyout was 6 keys 40 refined though https://bot.tf/stats/listings/Y5R73222, sale is most likely that

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https://backpack.tf/profiles/76561198918415568#!/compare/1567036800/1571616000

https://backpack.tf/profiles/76561198135388328#!/compare/1571529600/1571616000

Untraceable scrap.tf

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https://backpack.tf/profiles/76561198363395191#!/compare/1573171200/1573257600

https://backpack.tf/profiles/76561198135388328#!/compare/1573171200/1573257600

Looks pretty bulky from scrap.tf

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https://backpack.tf/profiles/76561198400019669#!/compare/1573344000/1573430400

https://backpack.tf/profiles/76561198363395191#!/compare/1573257600/1573344000

Untraceable

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https://backpack.tf/profiles/76561198297334705#!/compare/1570579200/1570838400

https://backpack.tf/profiles/76561198097271466#!/compare/1570665600/1570752000

6 keys 18 refined, near id 8155453156 in second compare link

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https://backpack.tf/profiles/76561198297334705#!/compare/1571529600/1571702400

https://backpack.tf/profiles/76561197968604025#!/compare/1572048000/1573257600

Bulk

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https://backpack.tf/item/7429098186

Untraceable tradeit.gg sale

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https://backpack.tf/profiles/76561198340634356#!/compare/1573776000/1573862400

https://backpack.tf/profiles/76561198062360602#!/compare/1573776000/1573862400

6 keys, near id 8259795983 in first compare link

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https://backpack.tf/profiles/76561198838447026#!/compare/1577232000/1577318400

https://backpack.tf/profiles/76561198377628381#!/compare/1577232000/1577404800

Untraceable, might be the Dec 26 bot.tf sale

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https://backpack.tf/profiles/76561198209329883#!/compare/1554940800/1571443200

https://backpack.tf/profiles/76561198299678312#!/compare/1571443200/1571529600

Untraceable

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https://backpack.tf/profiles/76561198299678312#!/compare/1573257600/1573344000

https://backpack.tf/profiles/76561198080179568#!/compare/1573257600/1573344000

Likely a quicksell to Julia

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https://backpack.tf/profiles/76561198022071751#!/compare/1572566400/1572739200

https://backpack.tf/profiles/76561198057452720#!/compare/1572566400/1572739200

Bulk

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https://backpack.tf/profiles/76561197963299583#!/compare/1570579200/1570752000

https://backpack.tf/profiles/76561198057452720#!/compare/1570665600/1570752000

Bulk

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https://backpack.tf/profiles/76561198022071751#!/compare/1572998400/1573084800

https://backpack.tf/profiles/76561198841279602#!/compare/1572998400/1573084800

Sold to bot

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https://backpack.tf/profiles/76561198841279602#!/compare/1574467200/1574553600

https://backpack.tf/profiles/76561198354459626#!/compare/1574467200/1574553600

7 keys, 51.66 refined, near id 8280609348 in first compare link

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https://backpack.tf/profiles/76561198354459626#!/compare/1574553600/1574640000

https://backpack.tf/profiles/76561198029074524#!/compare/1574553600/1574640000

Untraceable / Bulk

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https://backpack.tf/profiles/76561198345805221#!/compare/1571184000/1571788800

https://backpack.tf/profiles/76561198089253101#!/compare/1571097600/1571184000

Untraceable

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https://backpack.tf/profiles/76561198089253101#!/compare/1571356800/1571443200

https://backpack.tf/profiles/76561198125247757#!/compare/1571356800/1571443200

7 keys 0.88 refined, near id 8184073487 in first compare link

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https://backpack.tf/profiles/76561198286485732#!/compare/1572393600/1572739200

https://backpack.tf/profiles/76561198125247757#!/compare/1572652800/1572739200

Bulk

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https://backpack.tf/profiles/76561198069707880#!/compare/1574380800/1574467200

https://backpack.tf/profiles/76561198830633436#!/compare/1574294400/1574380800

it started off unique here

https://backpack.tf/profiles/76561198338947799#!/compare/1571875200/1574553600

https://backpack.tf/profiles/76561198830633436#!/compare/1574380800/1574467200

!!! now its unusual !!!

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Sales:

6.0

6.3

6.3

6.6

6.7

7.0

7.0

7.2

7.3

7.8

7.9

Sellers:

https://mannco.store/item/16605

https://backpack.tf/item/7285945098

$15.00 for possibly 2 months

Approximately 9 key

https://marketplace.tf/items/tf2/30839;5;u3006

https://gyazo.com/a487113c579361ae4182c070d93ed2e8

Three sellers for $18.64, one for $19.02

Approximately 10.3 and 10.5 keys

I go 6-8