Sale 1:

https://backpack.tf/profiles/76561198174135997#!/compare/1568678400/1568764800

https://backpack.tf/profiles/76561198069329716#!/compare/1562112000/1569369600

SCM

Sale 2:

https://backpack.tf/profiles/76561198162229174#!/compare/1569024000/1570320000

https://backpack.tf/profiles/76561198337734785#!/compare/1570233600/1570320000

QS

Sale 3:

https://backpack.tf/profiles/76561198050518375#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198261387917#!/compare/1567382400/1567468800

Sold for 9 keys (note that it goes back to scrap in 2 days and is constantly in and out : https://backpack.tf/item/1598070290)

Sale 4:

https://backpack.tf/profiles/76561198089791817#!/compare/1565481600/1565654400

https://backpack.tf/profiles/76561198170358238#!/compare/1565568000/1565654400

Sold for 9 keys

sale 5:

https://backpack.tf/profiles/76561198170358238#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198068732040#!/compare/1566259200/1566345600

Bulk QS(?)

Sale 6:

https://backpack.tf/profiles/76561198068732040#!/compare/1567382400/1567468800

https://backpack.tf/profiles/76561198815908394#!/compare/1567382400/1567468800

Sold for DP Milkman

Milkman Mini:

https://backpack.tf/suggestion/5d9f9bc767807204302c050b

Suggestion for 10 keys

Sale 7:

https://backpack.tf/profiles/76561198815908394#!/compare/1567641600/1567814400

https://backpack.tf/profiles/76561198116105833#!/compare/1567728000/1567814400

Sold with ~2 keys in sweets for drain Mann O'War(12.5)

Total is 10.5 keys

Sale 8:

https://backpack.tf/profiles/76561198116105833#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198118090662#!/compare/1567728000/1567814400

Sold for 10 keys

Sale 9:

https://backpack.tf/profiles/76561198118090662#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198411420239#!/compare/1568073600/1568160000

Sold for Smoking Panama + ~1 key in sweets

use there

Sale 10:

https://backpack.tf/profiles/76561198411420239#!/compare/1568073600/1568160000

https://backpack.tf/profiles/76561198061890230#!/compare/1568073600/1568160000

Bulk

Sale 11:

https://backpack.tf/profiles/76561198061890230#!/compare/1568073600/1568160000

https://backpack.tf/profiles/76561198118235963#!/compare/1567987200/1568246400

Sold for 8 keys

Sale 12:

https://backpack.tf/profiles/76561198118235963#!/compare/1569801600/1569888000

https://backpack.tf/profiles/76561198151690801#!/compare/1570320000/1570579200

untrace

Sale 13:

https://backpack.tf/profiles/76561198151690801#!/compare/1570320000/1570579200

https://backpack.tf/profiles/76561198057124378#!/compare/1570492800/1570579200

probably 7, can't prove

Sale 14:

https://backpack.tf/profiles/76561198057124378#!/compare/1570492800/1570579200

https://backpack.tf/profiles/76561198276805958#!/compare/1570492800/1570579200

Sold with negligible sweets for Stormy Juju(13)

Sale 15:

https://marketplace.tf/items/tf2/465;5;u36

$26 / $1.82 = 14.29 keys

Total sales @:

8, 9, 9, 10, 10, 10.5, 13, 14.29 keys

Total sales @:

buyers up to 7 keys,

sellers at 10 keys,

calling 8 low,

13+ high,

taking 9 - 11 keys.