Sale 1:

https://backpack.tf/profiles/76561198300884630#!/compare/1583712000/1583798400

https://backpack.tf/profiles/76561198030137422#!/compare/1583712000/1583798400

https://backpack.tf/profiles/76561198147857818#!/compare/1583712000/1583798400

Untrace

sale 2:

https://backpack.tf/profiles/76561198147857818#!/compare/1583712000/1583798400

https://backpack.tf/profiles/76561198337734785#!/compare/1583712000/1583798400

Sold for ~6.5 keys (QS)

sale 3:

https://backpack.tf/profiles/76561198048478229#!/compare/1583798400/1583884800

https://backpack.tf/profiles/76561198082788453#!/compare/1583798400/1583884800

Sold for C9 Kabuto

use there

sale 4:

https://backpack.tf/profiles/76561198176125115#!/compare/1584230400/1584403200

https://backpack.tf/profiles/76561198037993261#!/compare/1584230400/1584403200

Sold for Blizzardy bombing + ~1.5 keys in sweets

use there

https://bot.tf/stats/listings/Y9QZEJGW

B/O of 9 keys

sale 5:

https://backpack.tf/profiles/76561198037993261#!/compare/1584489600/1584921600

https://backpack.tf/profiles/76561198002757046#!/compare/1584403200/1584489600

QS

sale 6:

https://marketplace.tf/items/tf2/517;5;u59

$15 / $1.69 = 8.88 keys

$15.79 / $1.68 = 9.40 keys

$15.79 / $1.70 = 9.29 keys <--- https://backpack.tf/item/7957380900

$11.06 / $1.70 = 6.51 keys

$15.99 / $1.82 = 8.79 keys

Total sales @:

6.5, 9, 9, 9.5, 9.5 keys

https://bot.tf/stats/listings/4KVRNW5N

unsold for ~8.5 keys for over a month,

9 key unsolds for weeks, months,

taking 8.5 - 9 keys