Sale 1:

https://backpack.tf/profiles/76561198112060143#!/compare/1575244800/1575590400

https://backpack.tf/profiles/76561198033694310#!/compare/1575331200/1575417600

Sold for 7 keys

Sale 2:

https://backpack.tf/profiles/76561198033694310#!/compare/1576022400/1576195200

https://backpack.tf/profiles/76561197963348220#!/compare/1576108800/1576195200

Bulk

Sale 3:

https://backpack.tf/profiles/76561197963348220#!/compare/1576627200/1576713600

https://backpack.tf/profiles/76561198809554816#!/compare/1576627200/1576713600

Sold for 7 keys

Sale 4:

https://backpack.tf/profiles/76561198809554816#!/compare/1581033600/1581120000

https://backpack.tf/profiles/76561198121830870#!/compare/1580947200/1581033600

Sold for 8 keys

Sale 5:

https://backpack.tf/profiles/76561198059021831#!/compare/1576195200/1576281600

https://backpack.tf/profiles/76561198060783687#!/compare/1575331200/1580688000

Untrace

Sale 6:

https://backpack.tf/profiles/76561198341171690#!/compare/1581724800/1581811200

https://backpack.tf/profiles/76561199006806461#!/compare/1581292800/1581811200

Sold for 9 keys

Sale 7:

https://backpack.tf/profiles/76561198375204015#!/compare/1578614400/1579132800

https://backpack.tf/profiles/76561198248320210#!/compare/1579132800/1581811200

Sold with MW Fresh Brew for Blizzardy Crack

use there

Sale 8 - 10:

https://marketplace.tf/items/tf2/31024;5;u18

$15.56 / $1.67 = 9.32 keys

$21.99 / $1.77 = 12.42 keys

$15.8 / $1.78 = 8.88 keys

Total sales @:

7, 7, 8, 9, 9, 9.5, 12.5 keys

2 month unsold at 9 months,

4 months at 10,

buyer at 6 keys,

taking 7 - 9 keys