https://backpack.tf/item/14650663662

https://backpack.tf/profiles/76561198990246857#!/compare/1720310400/1720915200

https://backpack.tf/profiles/76561199108309959#!/compare/1720828800/1720915200

https://gladiator.tf/sales?item=Fireflies%20Firestalker&at=2024-07-14T19:26:43.263Z

~8.5 keys

https://backpack.tf/profiles/76561199108309959#!/compare/1720915200/1721088000

https://backpack.tf/profiles/76561198130707664#!/compare/1721260800/1723075200

Transfer

https://backpack.tf/profiles/76561198130707664#!/compare/1721347200/1722211200

https://backpack.tf/profiles/76561198086011812#!/compare/1721347200/1721433600

Bulk

https://backpack.tf/item/14629952083

Untraceable, STN site listing suggests ~10 keys https://stntrading.eu/item/tf2/Unusual+Fireflies+Firestalker

https://backpack.tf/item/14557080374

https://backpack.tf/profiles/76561198440314185#!/compare/1720656000/1721779200

https://backpack.tf/profiles/76561199246789651#!/compare/1721001600/1721088000

?

https://backpack.tf/profiles/76561199246789651#!/compare/1721088000/1721174400

https://backpack.tf/profiles/76561198090182761#!/compare/1719532800/1721606400

Untraceable

https://backpack.tf/profiles/76561198090182761#!/compare/1719532800/1721606400

https://backpack.tf/profiles/76561199059800460#!/compare/1721520000/1721606400

Dumped to STN for untraceable amount

https://backpack.tf/profiles/76561199059800460#!/compare/1722556800/1722643200

https://backpack.tf/profiles/76561197981959801#!/compare/1722556800/1722643200

https://next.backpack.tf/classifieds/snapshots/Fireflies%20Firestalker/66ad8b341c7d3cb6b00ae001 https://imgur.com/a/5K5V8qE 482.20/48.22 = 10 keys

10 keys

https://backpack.tf/item/13570590138

https://backpack.tf/profiles/76561199099318498#!/compare/1722297600/1723161600

https://backpack.tf/profiles/76561199110809353#!/compare/1722211200/1722297600

Dumped to QS.store, 2 keys match

https://backpack.tf/profiles/76561199110809353#!/compare/1722902400/1722988800

https://backpack.tf/profiles/76561198314165907#!/compare/1722902400/1722988800

https://next.backpack.tf/classifieds/snapshots/Fireflies%20Firestalker/66b34ac8da378b80a3065399 https://imgur.com/a/MdA06xE

Strange Prehistoric Pullover (1.3) + Nether Wisps Taunt: The Skating Scorcher (3) + Snowfall Taunt: The Boston Boarder (6) match to ID 14756709274

Taking buyers gives 1.3 + 3 + 6 = over 10 keys

https://backpack.tf/item/13370089759

MC

https://backpack.tf/item/13327654981

https://backpack.tf/profiles/76561198392647218#!/compare/1720396800/1721865600

https://backpack.tf/profiles/76561199564942025#!/compare/1722729600/1722816000

Dumped to STN

https://backpack.tf/profiles/76561199564942025#!/compare/1722902400/1722988800

https://backpack.tf/profiles/76561199069442401#!/compare/1722902400/1722988800

10 keys match

https://backpack.tf/item/13297844162

https://backpack.tf/profiles/76561198870708255#!/compare/1717891200/1720483200

https://backpack.tf/profiles/76561198848599586#!/compare/1720396800/1720569600

Bulk

https://backpack.tf/profiles/76561198848599586#!/compare/1720656000/1721347200

https://backpack.tf/profiles/76561198051407783#!/compare/1720742400/1720828800

?

https://backpack.tf/profiles/76561198051407783#!/compare/1720742400/1720828800

https://backpack.tf/profiles/76561198084205929#!/compare/1720310400/1720828800

8 keys match

https://backpack.tf/profiles/76561198084205929#!/compare/1722729600/1722816000

https://backpack.tf/profiles/76561198099023331#!/compare/1722729600/1722816000

Kaleidoscope Bazaar Bauble matches, if that was the full sale, would amount to ~11 keys https://imgur.com/a/WGzSeK6

https://backpack.tf/profiles/76561198099023331#!/compare/1722729600/1722816000

https://backpack.tf/profiles/76561199107865875#!/compare/1722729600/1722816000

https://gladiator.tf/sales?item=Fireflies%20Firestalker&at=2024-08-14T19:26:43.263Z

Dumped for ~8.5 keys

https://backpack.tf/item/13293361737

https://backpack.tf/profiles/76561198078117239#!/compare/1718496000/1718582400

https://backpack.tf/profiles/76561199229047540#!/compare/1718582400/1719273600

Untraceable

https://backpack.tf/profiles/76561199229047540#!/compare/1719273600/1720656000

https://backpack.tf/profiles/76561199197624825#!/compare/1720483200/1720569600

https://gladiator.tf/sales?item=Fireflies%20Firestalker&at=2024-07-10T19:26:43.263Z

Dumped to bot, untraceable but Gladiator suggests ~8.5 keys

https://backpack.tf/profiles/76561199197624825#!/compare/1720828800/1722902400

https://backpack.tf/profiles/76561199143891158#!/compare/1720742400/1722902400

Untraceable

https://marketplace.tf/items/tf2/31359;5;u291

Jun 7, $23/1.65 = 13.93 keys

Aug 4, $25/1.75 = 14.28 keys

Aug 5, $25/1.75 = 14.28 keys

Sales

8

8.5 (dump)

8.5 (dump)

8.5 (dump)

10

10

10+

11

14

14

14

https://imgur.com/a/dFAhvpV https://imgur.com/a/s85Is3m - Buyers at ~8.8 keys

https://backpack.tf/item/13297844162 - 12 keys

https://backpack.tf/item/14557080374 - 12 keys

https://backpack.tf/item/13327654981 - $25

https://steamcommunity.com/market/listings/440/Unusual%20Firestalker?filter=Fireflies - Two sellers at ~12 keys

https://stntrading.eu/item/tf2/Unusual+Fireflies+Firestalker

Given numerous sellers at 12 keys, 14 looks too high. Higher buyers support excluding 8.5 and below.

Taking 10 to 11 keys.