History 1: https://backpack.tf/item/9535133550

Bulk for the Ring of Fire Patriot Peak:

https://backpack.tf/profiles/76561198131676850#!/compare/1625702400/1630195200

https://backpack.tf/profiles/76561198057452720#!/compare/1630022400/1630195200

22 keys:

https://backpack.tf/profiles/76561198057452720#!/compare/1630627200/1630713600

https://backpack.tf/profiles/76561198014288444#!/compare/1630627200/1630713600

History 2: https://backpack.tf/item/3342915630

Owner withdrew and listed on Marketplace

https://marketplace.tf/items/tf2/30570;5;u3055

$49.99/1.89=26.45 ~26 keys, unknown history

from Xerg:

"23 just sold:

https://backpack.tf/profiles/76561198088822281#!/compare/1633132800/1633305600

https://backpack.tf/profiles/76561198035499016#!/compare/1633046400/1633392000

https://backpack.tf/profiles/76561198130834456#!/compare/1633046400/1633305600 - Festivized sold for 17, 17 + 6 = 23

From Foamy:

Theres another mp sale at 27 and an untraceable sale at 25 which would support a wider range.

https://backpack.tf/item/3342915630

https://gladiator.tf/listings/611356fc8c70f2ba9caf334c

MP sale in question https://marketplace.tf/items/tf2/30570;5;u3055 $49.99 / $1.87 = 26.73 keys

2 sellers at 25 keys though

https://backpack.tf/item/9515278318 was at 26 when first listed Oct 13 https://gladiator.tf/listings/6166cc319da1bfa3b3d7952b

Dropped to 25 on November 2 https://gladiator.tf/listings/6180aeef2be56da15b396022

https://backpack.tf/item/3279414950 been there for 10 days

Gonna go with 22-27 keys for now since 10 days isn't that long