Sale 1:

Sold for 22 keys

Seller: https://backpack.tf/profiles/76561198850274253#!/compare/1592092800/1592179200

Buyer: https://backpack.tf/profiles/76561198314986759#!/compare/1592179200/1592265600

https://backpack.tf/item/8450697121

22 keys

Sale 2:

Sold for 22 keys

Seller: https://backpack.tf/profiles/76561198057897812#!/compare/1592611200/1592784000

Buyer: https://backpack.tf/profiles/76561198380192257#!/compare/1592697600/1592784000

https://backpack.tf/item/3338277877

The obnoxiously large name actually helped with counting the keys.

22 keys

Marketplace Sales:

https://marketplace.tf/items/tf2/817;5;u8

$54.69, June 26th

http://manic.tf/keyprice?at=2020-06-26&price=54.69 - $54.69 / $2.03 = 26.94 keys

https://bot.tf/stats/listings/MNR9KG38 - appears to have been the 25 key seller

https://bot.tf/stats/listings/4KVOPWXN - listing disappeared shortly after the time of the sale

https://backpack.tf/profiles/76561198819747735 - marketplace integration with their profile

25 keys (Capped by B/O)

Other Sales:

https://backpack.tf/item/8450697121 (#1-7)

https://backpack.tf/item/7738720894 - tradeit

#1

Untraceable

https://backpack.tf/profiles/76561198983415577#!/compare/1591488000/1591574400

https://backpack.tf/profiles/76561198120798830#!/compare/1591488000/1591574400

Only some keys and a cheap unusual match.

#2

Bulk for Cloud 9 Law

https://backpack.tf/profiles/76561198120798830#!/compare/1591660800/1591747200

https://backpack.tf/profiles/76561198066686957#!/compare/1591660800/1591747200

Using on Law.

#3

Untraceable

https://backpack.tf/profiles/76561198066686957#!/compare/1592006400/1592092800

https://backpack.tf/profiles/76561198850274253#!/compare/1592006400/1592092800

#4

Untraceable

https://backpack.tf/profiles/76561198314986759#!/compare/1593993600/1594166400

https://backpack.tf/profiles/76561198002757046#!/compare/1594080000/1594166400

#5

Untraceable

https://backpack.tf/profiles/76561198002757046#!/compare/1594771200/1595462400

https://backpack.tf/profiles/76561198850121720#!/compare/1594684800/1594771200

#6

Untraceable

https://backpack.tf/profiles/76561198002757046#!/compare/1594771200/1595462400

https://backpack.tf/profiles/76561198850121720#!/compare/1595030400/1595462400

Missing a person in the history.

#7

Untraceable

https://backpack.tf/profiles/76561198360353776#!/compare/1596844800/1596931200

https://backpack.tf/profiles/76561198195933333#!/compare/1596931200/1597017600

Again probably missing a person in the history.

Sellers:

https://i.imgur.com/d2gTmOf.png

https://backpack.tf/item/8450697121 - ~24.5 keys?!?!?!?!? doesn't show an actual key value

https://backpack.tf/item/6529038016 - 33 keys

https://marketplace.tf/items/tf2/817;5;u8

https://backpack.tf/item/9059654114 - another for ~24.5 keys

Sales at:

22 (2x)

25

Taking 22-25