164 exist

Sale 1:

Sold for 13 keys

https://backpack.tf/profiles/76561198021055079#!/compare/1738195200/1738281600

https://backpack.tf/profiles/76561198093901502#!/compare/1738195200/1738281600

https://backpack.tf/item/13295682628

= 13 keys

Sale 2:

Sold for 13 keys

https://backpack.tf/profiles/76561199059800460#!/compare/1737590400/1737676800

https://backpack.tf/profiles/76561198272365345#!/compare/1737158400/1737676800

https://backpack.tf/item/14142948494

= 13 keys

Sale 3:

Sold for 12 keys + negligible metal

https://backpack.tf/profiles/76561198046264916#!/compare/1735862400/1735948800

https://backpack.tf/profiles/76561199059800460#!/compare/1735862400/1735948800

https://backpack.tf/item/14142948494

= 12 keys

Sale 4:

Sold for 12 keys + negligible metal

https://backpack.tf/profiles/76561198311498888#!/compare/1738800000/1738886400

https://backpack.tf/profiles/76561198319114954#!/compare/1738713600/1739145600

https://backpack.tf/item/14142948494

= 12 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198272365345#!/compare/1738627200/1738800000

https://backpack.tf/profiles/76561198311498888#!/compare/1738540800/1738627200

https://backpack.tf/item/14142948494

Untraceable, sold to STN. Follows the 13 key sale in Sale 2.

#2

https://backpack.tf/profiles/76561198130969152#!/compare/1734825600/1735257600

https://backpack.tf/profiles/76561198363395191#!/compare/1734739200/1735257600

https://backpack.tf/item/13616449216

Untraceable, 2 keys + some metal match. Following the Strange Festive Shotgun the seller bought after, I found another 6 keys matching with the buyer, but no more than that.

#3

https://backpack.tf/profiles/76561198363395191#!/compare/1735344000/1736294400

https://backpack.tf/profiles/76561198046376236#!/compare/1734566400/1737072000

https://backpack.tf/item/13616449216

Untraceable, likely marketplace sale

#4

https://backpack.tf/profiles/76561199532534611#!/compare/1734393600/1739318400

https://backpack.tf/profiles/76561198086011812#!/compare/1734307200/1734393600

https://gladiator.tf/sales?item=Fireflies%20Brimmed%20Bootlegger&at=2025-02-15T09:59:42.055Z - labelled as 11 keys + 54.44 ref

https://backpack.tf/item/13529411429

Untraceable, went to the buyer’s bot. Seller looks like a scammer alt too.

#5

https://backpack.tf/profiles/76561198086011812#!/compare/1734566400/1734652800

https://backpack.tf/profiles/76561199052172543#!/compare/1732579200/1736294400

https://backpack.tf/item/13529411429

Untraceable, likely marketplace sale.

#6

https://backpack.tf/profiles/76561198996574752#!/compare/1737331200/1737417600

https://backpack.tf/profiles/76561199059698603#!/compare/1737331200/1737417600

https://backpack.tf/item/13328617754

Bulk to Quicksell.store

#7

https://backpack.tf/profiles/76561198136213602#!/compare/1733184000/1733270400

https://backpack.tf/profiles/76561198021055079#!/compare/1733184000/1733270400

https://backpack.tf/item/13295682628

Sold with 6 keys for Revived Recharge Witch Doctor. Should be used there.

#8

https://backpack.tf/profiles/76561198143613491#!/compare/1736812800/1736899200

https://backpack.tf/profiles/76561198177872379#!/compare/1736812800/1736899200

https://backpack.tf/item/13259957765

Backpack buy

https://backpack.tf/item/14644708148 - mannco

https://backpack.tf/item/13251375226 - mannco

Marketplace Sales:

https://marketplace.tf/items/tf2/31366;5;u291

https://backpack.tf/item/14669152695 - Dec 17th, 21st, 25th, or 31st

https://backpack.tf/item/13258999640 - Most likely December 2nd

Other possible histories in #3 & #5

$26, December 2nd, 17th, 21st, 25th, 31st

$28.50, Jan 1st

https://marketplace.tf/items/tf2/5021;6 - keys were:

$1.77, Dec 2nd

$1.75, Dec 17th & 21st

~$1.78 average, Dec 25th (price spike, using average for 25th)

$1.80, Dec 31st & Jan 1st

26/1.77 = 14.689, rounds to 15 keys

26/1.75 = 14.857, rounds to 15 keys (2x)

26/1.78 = 14.607, rounds to 15 keys

26/1.8 = 14.444, rounds to 14 keys

28.5/1.8 = 15.833, rounds to 16 keys

Sellers:

https://i.imgur.com/4ceDhAM.png

https://backpack.tf/item/13328617754 - 13 keys

https://backpack.tf/item/14385291825 - 14 keys

https://marketplace.tf/items/tf2/31366;5;u291

https://backpack.tf/item/13259957765 - $30

https://stntrading.eu/item/tf2/Unusual+Fireflies+Brimmed+Bootlegger

https://i.imgur.com/WuTdybc.png

https://backpack.tf/item/13251375226 - ~11.8 keys

Sales at:

12 (2x)

13 (2x)

14 (marketplace)

15 (4x, marketplace)

16 (marketplace)

No pure sales past 13 keys. With sellers at ~12, 13, & 14, I’ll be using them exclusively, and exclude the marketplace sales.

Taking 12-13 keys.