Sale 1:

https://backpack.tf/profiles/76561198171391403#!/compare/1564617600/1571616000

https://backpack.tf/profiles/76561198197292179#!/compare/1565913600/1566432000

SCM

sale 2:

https://backpack.tf/profiles/76561198220375772#!/compare/1566086400/1567123200

https://backpack.tf/profiles/76561198097271466#!/compare/1567036800/1567123200

QS

Sale 3:

https://backpack.tf/profiles/76561198097271466#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198082095496#!/compare/1567123200/1567468800

Sold for 7 keys

sale 4:

https://backpack.tf/profiles/76561198082095496#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198815723059#!/compare/1567468800/1567555200

Can trace a bills hat

Sale 5:

https://backpack.tf/profiles/76561198815723059#!/compare/1567555200/1567641600

https://backpack.tf/profiles/76561198076854327#!/compare/1567468800/1567641600

Sold for CPS Esteem(7.75)

https://bot.tf/stats/listings/Y35ZR29Q

B/O of 10 keys

sale 6:

https://backpack.tf/profiles/76561198076854327#!/compare/1567728000/1567987200

https://backpack.tf/profiles/76561198264021804#!/compare/1567728000/1567814400

Sold for 6 keys

Sale 7:

https://backpack.tf/profiles/76561198264021804#!/compare/1567814400/1567900800

https://backpack.tf/profiles/76561198376029087#!/compare/1567555200/1567900800

Sold for Aces Escorter + ~2 keys in sweets

use there

sale 8:

https://backpack.tf/profiles/76561198376029087#!/compare/1568246400/1568332800

https://backpack.tf/profiles/76561198006544512#!/compare/1568246400/1568332800

QS

sale 9:

https://backpack.tf/profiles/76561198950621219#!/compare/1568937600/1569024000

https://backpack.tf/profiles/76561198912836088#!/compare/1568851200/1568937600

Untrace

Sale 10:

https://backpack.tf/profiles/76561198272101245#!/compare/1570320000/1570406400

https://backpack.tf/profiles/76561198023051867#!/compare/1570320000/1570406400

Untrace

Sale 11:

https://backpack.tf/profiles/76561198271090447#!/compare/1563235200/1566000000

https://backpack.tf/profiles/76561198002757046#!/compare/1565913600/1566000000

Sold for ~7.5 keys

sale 12:

https://backpack.tf/profiles/76561198002757046#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198414344507#!/compare/1566345600/1566432000

Sold for ~9 keys in sweets

https://bot.tf/stats/listings/4EEW7D0Q

B/O of ~8 keys, capping

sale 13:

https://backpack.tf/profiles/76561198414344507#!/compare/1566777600/1567036800

https://backpack.tf/profiles/76561198040186479#!/compare/1566950400/1567036800

Bulk

sale 14:

https://backpack.tf/profiles/76561198165749316#!/compare/1567123200/1567296000

https://backpack.tf/profiles/76561198155030923#!/compare/1567296000/1567382400

Untrace

sale 15:

https://backpack.tf/profiles/76561198155030923#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198153060040#!/compare/1567382400/1567468800

bulk

sale 16:

https://backpack.tf/profiles/76561198153060040#!/compare/1567382400/1567468800

https://backpack.tf/profiles/76561198452046317#!/compare/1567382400/1567468800

Sold for 8 keys

Sale 17:

https://backpack.tf/profiles/76561198069580305#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198063159107#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198432461884#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198279539667#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198432461884#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198320615503#!/compare/1567987200/1568073600

Gambling

Sale 18:

https://backpack.tf/profiles/76561198320615503#!/compare/1568246400/1568332800

https://backpack.tf/profiles/76561197965419480#!/compare/1567900800/1568332800

https://backpack.tf/profiles/76561198320615503#!/compare/1568246400/1568332800

https://backpack.tf/profiles/76561198320615503#!/compare/1568419200/1568505600

https://backpack.tf/profiles/76561197965419480#!/compare/1568419200/1568592000

https://backpack.tf/profiles/76561198320615503#!/compare/1568505600/1568592000

transfers

Sale 19:

https://marketplace.tf/items/tf2/481;5;u62

$15 / $1.81 = 8.29 keys

https://backpack.tf/item/3340715231

Total sales @:

6, 7, 7.5, 7.75, 8, 8, 8.29 keys

buyers up to ~6 keys,

sellers down to 10 keys.

Taking 7 - 8.5 keys