Sale 1:

https://backpack.tf/profiles/76561198134652336#!/compare/1579996800/1580083200

https://backpack.tf/profiles/76561198341171690#!/compare/1579996800/1580083200

QS

sale 2:

https://backpack.tf/profiles/76561198061881801#!/compare/1581120000/1582070400

https://backpack.tf/profiles/76561197980848817#!/compare/1579910400/1585180800

Untrace

sale 3:

https://backpack.tf/profiles/76561198062153114#!/compare/1585958400/1586044800

https://backpack.tf/profiles/76561198173442901#!/compare/1585958400/1586044800

Bulk

Sale 4:

https://backpack.tf/profiles/76561198173442901#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198275012706#!/compare/1586044800/1586131200

Bulk

Sale 5:

https://backpack.tf/profiles/76561198275012706#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198868969121#!/compare/1586131200/1586217600

Sold for ~11 keys in sweets

https://bot.tf/stats/listings/4P0V2EL0

B/O of 11 keys

Sale 6:

https://backpack.tf/profiles/76561198868969121#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198290356364#!/compare/1586217600/1586304000

Sold for Ancient Trans + negligible sweets

use there

Sale 7:

https://backpack.tf/profiles/76561198290356364#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198808070411#!/compare/1586304000/1586390400

Sold for KaW Hallmark

use there

Sale 8:

https://backpack.tf/profiles/76561198808070411#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198089342576#!/compare/1586476800/1586563200

Sold for 11 keys

Sale 9:

https://backpack.tf/profiles/76561198134652336#!/compare/1579996800/1580083200

https://backpack.tf/profiles/76561198986498652#!/compare/1579996800/1580083200

Untrace

sale 10:

https://backpack.tf/profiles/76561198451875045#!/compare/1582502400/1582588800

https://backpack.tf/profiles/76561198448830963#!/compare/1582502400/1582588800

Untrace

Sale 11:

https://marketplace.tf/items/tf2/31074;5;u124

$23.95 / $1.78 = 13.46 keys <--- https://backpack.tf/item/8244894931 | https://bot.tf/stats/listings/Y8EX3QVN B/O of 17 keys

$20.5 / $1.77 = 11.58 keys

$21 / $1.75 = 12.00 keys <--- https://backpack.tf/item/8244894931

Total sales @:

11, 11, 12, 12, 13 keys

buyers up to 9 keys,

sellers down to ~14 keys,

taking 11 - 13 keys