Unusable Histories:

https://backpack.tf/item/966130250 - Just duped

https://backpack.tf/item/956855467 - Pro Ks

https://backpack.tf/item/949150941 - Tradebacks

https://backpack.tf/item/951982980 - Scammer

https://backpack.tf/item/947010159 - Spec ks

https://backpack.tf/item/926386392 - Spec ks

https://backpack.tf/item/909753505 - Mp Chargeback

https://backpack.tf/item/896835428 - Just duped

https://backpack.tf/item/899419044 - Scammer

https://backpack.tf/item/903220362 - Pro ks

https://backpack.tf/item/900007280 - Pro ks

https://backpack.tf/item/900134854 - Tradebacks / Just listing on mp

https://backpack.tf/item/954578141 - Also tradebacks?

https://backpack.tf/item/906643649 - Just duped

https://backpack.tf/item/903733644 - Just mannco.store transfers

Item 1

https://backpack.tf/item/965367621

Sale 1

https://backpack.tf/profiles/76561198057452720#!/compare/1737158400/1738281600

https://backpack.tf/profiles/76561198043996567#!/compare/1738195200/1738368000

Scorching Flames Merc's Mohawk + Purple Confetti Merc's Mohawk + Purple Energy Merc's Mohawk

Mini for the Scorching Flames Merc's Mohawk 195 keys

============================================================================

Mini for the Purple Confetti Merc's Mohawk (14)

Item 1

https://backpack.tf/item/14404517841

Sale 1

https://backpack.tf/profiles/76561199203680409#!/compare/1740873600/1740960000

https://backpack.tf/profiles/76561198268369013#!/compare/1740441600/1740960000

No clue, re-dumped anyways...

Sale 2

https://backpack.tf/profiles/76561198268369013#!/compare/1741651200/1743552000

https://backpack.tf/profiles/76561199110809353#!/compare/1741651200/1741737600

Seller side shows nothing

Item 2

https://backpack.tf/item/7956532467

Sale 3

https://backpack.tf/profiles/76561198043996567#!/compare/1738195200/1738368000

https://backpack.tf/profiles/76561198057452720#!/compare/1737158400/1738281600

Bulk for a Fireproof Secret Diary

Sale 4

https://backpack.tf/profiles/76561198057452720#!/compare/1740614400/1740787200

https://backpack.tf/profiles/76561198797309560#!/compare/1740528000/1740700800

~13 keys? (I reckon there's a missing history there)

Sale 5

https://backpack.tf/profiles/76561198797309560#!/compare/1740528000/1740700800

https://backpack.tf/profiles/76561199017959799#!/compare/1740873600/1740960000

No clue

Sale 6

https://backpack.tf/profiles/76561199017959799#!/compare/1741219200/1741305600

https://backpack.tf/profiles/76561199234385635#!/compare/1741132800/1741219200

Likely gambling

Sale 7

https://backpack.tf/profiles/76561199234385635#!/compare/1741219200/1741305600

https://backpack.tf/profiles/76561198152994529#!/compare/1741219200/1741305600

No clue

Total Sales

13

https://imgur.com/a/7vKsxDH

STN actually pays more than 13, so it might be incomplete?

I'll just go with ~14 keys as a mini here then...

============================================================================

Mini for the Purple Energy Merc's Mohawk 110 keys

195 + 14 + 110 = ~319 keys

Sale 2

https://backpack.tf/profiles/76561198043996567#!/compare/1740787200/1740960000

https://backpack.tf/profiles/76561198840987606#!/compare/1740614400/1740873600

Bulk for a Collector's Texas Slim's Dome Shine

Sale 3

https://backpack.tf/profiles/76561198840987606#!/compare/1740960000/1741046400

https://backpack.tf/profiles/76561199111648936#!/compare/1740960000/1741046400

Dumped for ~195 keys? (Might be incomplete)

Sale 4

https://gladiator.tf/sales?item=Fireproof%20Secret%20Diary&at=2025-04-14T01:27:27.269Z

https://backpack.tf/profiles/76561199111648936#!/compare/1743724800/1743811200

https://backpack.tf/profiles/76561197999470101#!/compare/1740182400/1743811200

Supposedly 320 keys, tho I can't confirm it

Item 2

https://backpack.tf/item/964270813

Sale 5

https://backpack.tf/profiles/76561198309544456#!/compare/1743638400/1744588800

https://backpack.tf/profiles/76561198029534325#!/compare/1743379200/1743897600

No clue

Item 3

https://backpack.tf/item/961754409

Sale 6

https://backpack.tf/profiles/76561199817488933#!/compare/1740268800/1740355200

https://backpack.tf/profiles/76561198048176208#!/compare/1740268800/1740355200

No clue

Item 4

https://backpack.tf/item/955708534

Sale 7

https://backpack.tf/profiles/76561199532534611#!/compare/1737072000/1737158400

https://backpack.tf/profiles/76561198048176208#!/compare/1736985600/1737158400

No clue

Sale 8

https://backpack.tf/profiles/76561198048176208#!/compare/1737849600/1738108800

https://backpack.tf/profiles/76561198401301250#!/compare/1737936000/1738022400

Can't match anything

Sale 9

https://backpack.tf/profiles/76561198401301250#!/compare/1743638400/1743724800

https://backpack.tf/profiles/76561198867208675#!/compare/1743552000/1743724800

No clue

Sale 10

https://backpack.tf/profiles/76561198867208675#!/compare/1744070400/1744156800

https://backpack.tf/profiles/76561198877565874#!/compare/1744070400/1744156800

295 keys

Sale 11

https://backpack.tf/profiles/76561198877565874#!/compare/1744416000/1744502400

https://backpack.tf/profiles/76561198139627699#!/compare/1744416000/1744502400

Probably bulk

Item 5

https://backpack.tf/item/952937957

Sale 12

https://backpack.tf/profiles/76561198328282971#!/compare/1744416000/1744502400

https://backpack.tf/profiles/76561198354346817#!/compare/1744416000/1744502400

Using for the Strange Professional Killstreak Current Event Scattergun (Factory New)

Item 6

https://backpack.tf/item/949173838

Sale 13

https://backpack.tf/profiles/76561199190852179#!/compare/1737417600/1737504000

https://backpack.tf/profiles/76561199537748995#!/compare/1737417600/1737504000

No clue

Sale 14

https://backpack.tf/profiles/76561199537748995#!/compare/1738800000/1738886400

https://backpack.tf/profiles/76561199513453937#!/compare/1738195200/1738972800

No clue

Item 7

https://backpack.tf/item/942865313

Sale 15

https://backpack.tf/profiles/76561198288294254#!/compare/1740873600/1740960000

https://backpack.tf/profiles/76561198050651176#!/compare/1740873600/1740960000

No clue

Sale 16

https://backpack.tf/profiles/76561198050651176#!/compare/1741219200/1741305600

https://backpack.tf/profiles/76561198150101707#!/compare/1741219200/1741305600

Respectfully, I don't want to count through 335 key histories... (It would likely be higher than current sellers anyways)

Item 8

https://backpack.tf/item/937671922

Sale 17

https://backpack.tf/profiles/76561198021337820#!/compare/1740614400/1740873600

https://backpack.tf/profiles/76561198070704045#!/compare/1740700800/1740873600

319 keys

Item 9

https://backpack.tf/item/927304198

Sale 18

https://backpack.tf/profiles/76561199101376092#!/compare/1739318400/1739404800

https://backpack.tf/profiles/76561199523405376#!/compare/1739923200/1740009600

No clue

Sale 19

https://backpack.tf/profiles/76561199523405376#!/compare/1740096000/1740182400

https://backpack.tf/profiles/76561198220052159#!/compare/1740009600/1740096000

No clue

Sale 20

https://backpack.tf/profiles/76561198220052159#!/compare/1740787200/1740873600

https://backpack.tf/profiles/76561198254882979#!/compare/1740787200/1740873600

Nuts n' Bolts Exquisite Rack + 110 keys

============================================================================

Mini for the Nuts n' Bolts Exquisite Rack (211)

Item 1

https://backpack.tf/item/1987381555

Sale 1

https://backpack.tf/profiles/76561199115013990#!/compare/1737936000/1738108800

https://backpack.tf/profiles/76561198283682411#!/compare/1738022400/1738108800

Bulk for a Circling Heart Legendary Lid

Then moved to their bot...

Item 2

https://backpack.tf/item/1887242803

Can't trace this

Item 3

https://backpack.tf/item/1346159794

Duped, no sales here

Item 4 & 5

https://backpack.tf/item/909637048

https://backpack.tf/item/4937448000

Bot transfers

Item 6

https://backpack.tf/item/4131282464

Sale 2

https://backpack.tf/profiles/76561198385727483#!/compare/1738108800/1738195200

https://backpack.tf/profiles/76561199177132803#!/compare/1738108800/1738195200

Only an incomplete amount matches

Sale 3

https://backpack.tf/profiles/76561198203896233#!/compare/1740096000/1740182400

https://backpack.tf/profiles/76561198254882979#!/compare/1740096000/1740182400

Bulk for a Disco Beat Down Head Prize

Sale 4

https://backpack.tf/profiles/76561198254882979#!/compare/1740787200/1740873600

https://backpack.tf/profiles/76561198220052159#!/compare/1740787200/1740873600

Added 110 keys for a Fireproof Secret Diary

Sale 5

https://backpack.tf/profiles/76561198220052159#!/compare/1740960000/1741046400

https://backpack.tf/profiles/76561199177132803#!/compare/1740960000/1741046400

Re-dumped for an incomplete amount

https://imgur.com/a/FVeOHG4

No traceable sales, might be best to just use the 5 month price, it still seems accurate

= 211 keys

============================================================================

211 + 110 = 321 keys

Item 10

https://backpack.tf/item/925982628

Sale 21

https://backpack.tf/profiles/76561198043861356#!/compare/1743033600/1743120000

https://backpack.tf/profiles/76561198328282971#!/compare/1743033600/1743120000

https://imgur.com/a/5ALsEwK

288 keys

Item 11

https://backpack.tf/item/921367734

Sale 22

https://backpack.tf/profiles/76561198254882979#!/compare/1736812800/1736899200

https://backpack.tf/profiles/76561198838788284#!/compare/1736726400/1736899200

Bulk for a Disco Beat Down Virtual Viewfinder

Sale 23

https://backpack.tf/profiles/76561198838788284#!/compare/1737158400/1737244800

https://backpack.tf/profiles/76561198342161127#!/compare/1737072000/1737244800

295 keys

Sale 24

https://backpack.tf/profiles/76561198342161127#!/compare/1739836800/1739923200

https://backpack.tf/profiles/76561198035909627#!/compare/1738886400/1739923200

350 keys

Item 12

https://backpack.tf/item/917555538

Sale 25

https://backpack.tf/profiles/76561198867208675#!/compare/1738108800/1738195200

https://backpack.tf/profiles/76561198043902761#!/compare/1737849600/1740182400

220 keys

Item 13

https://backpack.tf/item/911450563

Sale 26

https://backpack.tf/profiles/76561199612079987#!/compare/1737417600/1737590400

https://backpack.tf/profiles/76561199522081742#!/compare/1736726400/1737590400

No clue

Sale 27

https://backpack.tf/profiles/76561199522081742#!/compare/1737590400/1737676800

https://backpack.tf/profiles/76561198328282971#!/compare/1737590400/1737676800

No clue

Item 14

https://backpack.tf/item/906729020

Sale 28

https://backpack.tf/profiles/76561198132741569#!/compare/1736812800/1736899200

https://backpack.tf/profiles/76561198289424045#!/compare/1736812800/1736899200

Starstorm Insomnia Hat With No Name + 155 keys (No other sales, better used there)

Sale 29

https://backpack.tf/profiles/76561198289424045#!/compare/1739750400/1740441600

https://backpack.tf/profiles/76561198161130473#!/compare/1740268800/1740441600

Bulk for a Something Burning This Way Comes Handyman's Handle

Item 15

https://backpack.tf/item/903795925

Sale 30

https://backpack.tf/profiles/76561198244962432#!/compare/1742342400/1742428800

https://backpack.tf/profiles/76561198271894529#!/compare/1742342400/1742428800

Bulk for a Strange Professional Killstreak Golden Frying Pan

Sale 31

https://backpack.tf/profiles/76561198271894529#!/compare/1742601600/1742688000

https://backpack.tf/profiles/76561198070318593#!/compare/1742601600/1742688000

Missing history? Probably bulk anyways

Sale 32

https://backpack.tf/profiles/76561198070318593#!/compare/1742688000/1742860800

https://backpack.tf/profiles/76561199057992228#!/compare/1742601600/1742860800

310 keys

Item 16

https://backpack.tf/item/897721103

Sale 33

https://backpack.tf/profiles/76561198160010744#!/compare/1736899200/1739750400

https://backpack.tf/profiles/76561198237700604#!/compare/1737936000/1738368000

No clue

Item 17

https://backpack.tf/item/897721103

Sale 34

https://backpack.tf/profiles/76561198160010744#!/compare/1736899200/1739750400

https://backpack.tf/profiles/76561198237700604#!/compare/1737936000/1738368000

No clue

Sale 35

https://backpack.tf/profiles/76561198237700604#!/compare/1740873600/1741046400

https://backpack.tf/profiles/76561198316071886#!/compare/1740787200/1740873600

No clue

Item 18

https://backpack.tf/item/897509812

Sale 36

https://backpack.tf/profiles/76561197983620885#!/compare/1741910400/1742083200

https://backpack.tf/profiles/76561198140316312#!/compare/1741996800/1742083200

Added for a Cauldron Bubbles Dr's Dapper Topper (Only sale...)

SCM Sales

https://steamcommunity.com/market/pricehistory/?appid=440&market_hash_name=Fireproof%20Secret%20Diary

$590.03 / $2.19 = ~269 keys (Jan 12)

$600.01 / $2.20 = ~272 keys (Mar 9)

$545.58 / $2.15 = ~254 keys (Apr 3)

Total Sales

195, 220, 254, 269, 272, 288, 295, 295, 310, 319, 319, 320(?), 321, 350

https://imgur.com/a/5ModryC

Buyer @ 286, excluding 272 and below

350 seems higher than the majority of sellers

Rounding and running with 290 - 320 keys c:

Unsolds:

https://backpack.tf/item/899909885 - 300

https://backpack.tf/item/961754409 - 320

https://backpack.tf/item/897721103 - 325

https://backpack.tf/item/927304198 - 330

https://backpack.tf/item/902624957 - 350

https://backpack.tf/item/906729020 - $674.99

https://backpack.tf/item/931166275 - $674.99

https://backpack.tf/item/900134854 - $674.99

https://backpack.tf/item/905683046 - $674.99

https://backpack.tf/item/911450563 - $674.99

https://backpack.tf/item/897509812 - $674.99

https://backpack.tf/item/920097528 - $674.99