Sale 1:

https://backpack.tf/profiles/76561198200696439#!/compare/1577577600/1579219200

https://backpack.tf/profiles/76561198359746121#!/compare/1579132800/1579219200

Untrace

sale 2:

https://backpack.tf/profiles/76561198359746121#!/compare/1579219200/1579392000

https://backpack.tf/profiles/76561198080425549#!/compare/1579305600/1579392000

Sold for TW Private Eye

use there

Sale 3:

https://backpack.tf/profiles/76561198080425549#!/compare/1579305600/1579392000

https://backpack.tf/profiles/76561198086749028#!/compare/1579305600/1579392000

Bulky

sale 4:

https://backpack.tf/profiles/76561198086749028#!/compare/1579305600/1579392000

https://backpack.tf/profiles/76561198211512664#!/compare/1578787200/1579392000

Sold for 13 keys

sale 5:

https://backpack.tf/profiles/76561198211512664#!/compare/1579392000/1579478400

https://backpack.tf/profiles/76561198848490275#!/compare/1579392000/1579478400

Sold for C9 Stove Pipe + negligible sweets

use there

https://bot.tf/stats/listings/4OVN9L6Q

B/O of 16 keys

Sale 6:

https://backpack.tf/profiles/76561198848490275#!/compare/1579737600/1580083200

https://backpack.tf/profiles/76561198047214921#!/compare/1575590400/1582070400

Sold with ~5 keys for ~16 keys in sweets

Total is 11 keys

Sale 7:

https://backpack.tf/profiles/76561198382654640#!/compare/1581465600/1581638400

https://backpack.tf/profiles/76561198172820673#!/compare/1581033600/1581638400

https://backpack.tf/profiles/76561198446905869#!/compare/1581552000/1581638400

transfer

Sale 8:

https://backpack.tf/profiles/76561198446905869#!/compare/1581724800/1581811200

https://backpack.tf/profiles/76561198191779491#!/compare/1581120000/1581811200

Sold for 15 keys

Sale 9:

https://backpack.tf/profiles/76561198852524025#!/compare/1578528000/1578614400

https://backpack.tf/profiles/76561198363395191#!/compare/1578528000/1578614400

QS

sale 10:

https://backpack.tf/profiles/76561198021055079#!/compare/1577836800/1577923200

https://backpack.tf/profiles/76561198121404985#!/compare/1577836800/1577923200

Sold for Miami Ballcap(21)

https://bot.tf/stats/listings/Y35X3VD0

B/O of 16 keys, capping

sale 11:

https://backpack.tf/profiles/76561198121404985#!/compare/1577836800/1577923200

https://backpack.tf/profiles/76561198011827547#!/compare/1577836800/1577923200

Sold for N&B Cannonball

use there

Sale 12:

https://backpack.tf/profiles/76561198011827547#!/compare/1577923200/1578009600

https://backpack.tf/profiles/76561198931070626#!/compare/1577923200/1578009600

sold with keys for.... something.

Sale 13:

https://backpack.tf/profiles/76561198931070626#!/compare/1577923200/1578009600

https://backpack.tf/profiles/76561198132601722#!/compare/1577664000/1578441600

https://backpack.tf/profiles/76561198931070626#!/compare/1578441600/1578700800

https://backpack.tf/profiles/76561198132601722#!/compare/1578441600/1578528000

transfer.

Sale 14 - 16:

https://marketplace.tf/items/tf2/180;5;u61

$23 / $1.75 = 13.14 keys

$24 / $1.77 = 13.56 keys <---- https://backpack.tf/item/7957038399

$23.95 / $1.78 = 13.46 keys <--- https://backpack.tf/item/7957038399

Total sales @:

11, 13, 13, 13, 14, 15, 16 keys

buyers up to ~11 keys,

seller for 18 keys,

taking 13 - 16 keys.