Item 1:

https://backpack.tf/item/14099247134

Sale 1:

Only metal traceable

https://backpack.tf/profiles/76561198054722733#!/compare/1706832000/1706918400

https://backpack.tf/profiles/76561198453530349#!/compare/1706832000/1706918400

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Item 2:

https://backpack.tf/item/13622671390

Sale 2:

Bulk

https://backpack.tf/profiles/76561198071962043#!/compare/1710806400/1712102400

https://backpack.tf/profiles/76561199135123751#!/compare/1710720000/1710806400

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Item 3:

https://backpack.tf/item/11362823666 - all untraceable/gambling

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Item 4:

https://backpack.tf/item/11359533964

Skipping most of the trades in this history because they are gambling/dumps to QS/Transfers

Sale 3:

33.22 ref + Loaf Loafers traceable

https://backpack.tf/profiles/76561199084784906#!/compare/1708732800/1708819200

https://backpack.tf/profiles/76561199473455049#!/compare/1707091200/1709164800

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Item 5:

https://backpack.tf/item/11179905978

Sale 4:

Sold for 16 Keys (Buyer's Compare)

https://backpack.tf/profiles/76561199043177646#!/compare/1705622400/1705708800

https://backpack.tf/profiles/76561198236061140#!/compare/1705622400/1705708800

Sale 5:

Bulk for Strange Radiant Rivalry Impact Impaler

https://backpack.tf/profiles/76561198236061140#!/compare/1706659200/1706745600

https://backpack.tf/profiles/76561198055534922#!/compare/1706659200/1706745600

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Item 6:

https://backpack.tf/item/10979307183

Sale 6:

Sold alongside 1 Key for Contagious Eruption Undercover Brolly + Earbuds

https://backpack.tf/profiles/76561198054270952#!/compare/1707609600/1707696000

https://backpack.tf/profiles/76561198069356441#!/compare/1707609600/1707696000

Sale 7:

Bulk for Forever And Forever! Beanie The All-Gnawing

https://backpack.tf/profiles/76561198069356441#!/compare/1707868800/1707955200

https://backpack.tf/profiles/76561198140316312#!/compare/1707868800/1707955200

Sale 8:

Untraceable

https://backpack.tf/profiles/76561198140316312#!/compare/1708128000/1708214400

https://backpack.tf/profiles/76561198191744974#!/compare/1708300800/1708387200

Sale 9:

https://backpack.tf/profiles/76561198191744974#!/compare/1708387200/1708473600

https://backpack.tf/item/11349461799 - Maybe 16 Keys

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Item 7:

https://backpack.tf/item/10840357818

Sale 10:

Untraceable/Bulk

https://backpack.tf/profiles/76561199099420630#!/compare/1707350400/1707436800

https://backpack.tf/profiles/76561198850121720#!/compare/1707350400/1707436800

Sale 11:

Untraceable

https://backpack.tf/profiles/76561198850121720#!/compare/1710547200/1710633600

https://backpack.tf/profiles/76561199208323450#!/compare/1710374400/1710633600

Sale 12:

Untraceable

https://backpack.tf/profiles/76561199208323450#!/compare/1710720000/1711584000

https://backpack.tf/profiles/76561198823690736#!/compare/1709769600/1710892800

Sale 13:

4 Keys + 30.88 ref traceable

https://backpack.tf/profiles/76561198823690736#!/compare/1709769600/1710892800

https://backpack.tf/profiles/76561198918194942#!/compare/1710806400/1710892800

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Item 8:

https://backpack.tf/item/10775030093 - Untraceable

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Item 9:

https://backpack.tf/item/10757543835

Sale 14:

Untraceable

https://backpack.tf/profiles/76561198859721638#!/compare/1704326400/1704412800

https://backpack.tf/profiles/76561198278123799#!/compare/1702771200/1705968000

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Item 10:

https://backpack.tf/item/10747888451

Sale 15:

Sold for ~14 Keys (Unusual ID: "14064814226")

https://backpack.tf/profiles/76561198142822631#!/compare/1705536000/1705622400

https://backpack.tf/profiles/76561199192088525#!/compare/1705536000/1705622400

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Item 11:

https://backpack.tf/item/10746175309

Skipping potential scam and sale to QS, then transfer between bots

Sale 16:

Only a few metal traceable

https://backpack.tf/profiles/76561199110809353#!/compare/1711756800/1711843200

https://backpack.tf/profiles/76561199222631412#!/compare/1711756800/1711843200

Sale 17:

1:1 for Severed Serration Spooky Head-Bouncers

https://backpack.tf/profiles/76561199222631412#!/compare/1711929600/1712016000

https://backpack.tf/profiles/76561199088193531#!/compare/1711756800/1712016000

//

Marketplace.TF Sales:

https://marketplace.tf/items/tf2/31209;5;u189

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

$29.95/$1.70 = ~18 Keys (Jan 2)

$29.95/$1.69 = ~18 Keys (Jan 8)

$29.95/$1.69 = ~18 Keys (Jan 17)

$29.95/$1.70 = ~18 Keys (Jan 26)

$29.95/$1.70 = ~18 Keys (Jan 29)

$34.95/$1.70 = ~21 Keys (Feb 19)

$34.95/$1.68 = ~21 Keys (Mar 15)

//

Total Sales

14, 16, 16?, 18, 18, 18, 18, 18, 21, 21

https://imgur.com/d9eX4An

With a seller @ ~19 Keys, 21 is too high

Taking 14 - 18 Keys

Unsolds:

https://backpack.tf/item/11359533964 - 19.31

https://backpack.tf/item/10979307183 - $34.95

https://backpack.tf/item/10747888451 - $34.95