Sale 1:

https://backpack.tf/profiles/76561198335791307#!/compare/1581811200/1581897600

https://backpack.tf/profiles/76561198331167728#!/compare/1581811200/1581897600

sold for 13 keys

sale 2:

https://backpack.tf/profiles/76561198331167728#!/compare/1583625600/1583712000

https://backpack.tf/profiles/76561198062153114#!/compare/1583625600/1583712000

Sold for 8 keys

sale 3:

https://backpack.tf/profiles/76561198062153114#!/compare/1583712000/1583798400

https://backpack.tf/profiles/76561198079578383#!/compare/1583712000/1583798400

Bulk

Sale 4:

https://backpack.tf/profiles/76561198290723276#!/compare/1585526400/1585612800

https://backpack.tf/profiles/76561198062153114#!/compare/1585440000/1585612800

Sold for 10 keys

sale 5:

https://backpack.tf/profiles/76561198290723276#!/compare/1585526400/1585612800

https://backpack.tf/profiles/76561198374206487#!/compare/1585526400/1585612800

Sold for DP Merryweather

use there

Sale 6:

https://backpack.tf/profiles/76561198374206487#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198335791307#!/compare/1585612800/1585699200

QS

Sale 7:

https://backpack.tf/profiles/76561198336979032#!/compare/1586736000/1587513600

https://backpack.tf/profiles/76561198073335093#!/compare/1587686400/1587859200

Bulk

sale 8:

https://backpack.tf/profiles/76561198054272235#!/compare/1587600000/1587686400

https://backpack.tf/profiles/76561198083134207#!/compare/1587600000/1587686400

Bulk

sale 7:

https://marketplace.tf/items/tf2/30763;5;u3021

$24.99 / $1.72 = 14.53 keys

$18 / $1.72 = 10.47 keys

$23.75 / $1.69 = 14.05 keys <--- https://backpack.tf/item/7258294118 | https://bot.tf/stats/listings/MXQZ3WQ8 B/O of 12 keys, capping

$23.75 / $1.68 = 14.14 keys

Total sales @:

8, 10, 10, 12, 13, 14, 15 keys

Buyers up to ~7.5 keys,

https://bot.tf/stats/listings/MLVLPZ0J

Unsold at 13 for almost a month,

taking 10 - 13 keys.