Deja vu

Sale 1:

https://backpack.tf/profiles/76561198309534616#!/compare/1571616000/1573171200

https://backpack.tf/profiles/76561198091148250#!/compare/1570320000/1571702400

Untrace

Sale 2:

https://backpack.tf/profiles/76561198091148250#!/compare/1570320000/1571702400

https://backpack.tf/profiles/76561198196410274#!/compare/1571616000/1571702400

Sold with 4 keys for Smoking Swagman

Swagman Mini:

https://backpack.tf/suggestion/5dcb087cd3817277174f79d4

Suggestion for 10 keys

Total is 6 keys

sale 3:

https://backpack.tf/profiles/76561198196410274#!/compare/1571788800/1571875200

https://backpack.tf/profiles/76561198086795401#!/compare/1571356800/1571788800

Sold for ~6.5 keys

Sale 4:

https://backpack.tf/profiles/76561198086795401#!/compare/1571788800/1571875200

https://backpack.tf/profiles/76561198298292652#!/compare/1571788800/1571875200

Sold with ~2 keys for C9 Waxy(10)

Total is 8 keys

https://bot.tf/stats/listings/46NEKEO0

B/O of 7.5 keys, capping

Sale 5:

https://backpack.tf/profiles/76561198298292652#!/compare/1571788800/1571875200

https://backpack.tf/profiles/76561198157678356#!/compare/1571788800/1571875200

Sold for Aces Burglerre + ~1 key in sweets

Burglerre Mini:

https://backpack.tf/suggestion/5dcb229dd381720ad86da395

Suggestion for 8 keys

Total is 9 keys

https://bot.tf/stats/listings/46NEE579

B/O of 7 keys, capping

sale 6:

https://backpack.tf/profiles/76561198407129701#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198846043246#!/compare/1565222400/1566000000

Can trace some ref

Sale 7:

https://backpack.tf/profiles/76561198846043246#!/compare/1566864000/1567036800

https://backpack.tf/profiles/76561198337734785#!/compare/1566950400/1567036800

QS

sale 8:

https://backpack.tf/profiles/76561198269737431#!/compare/1569801600/1572307200

https://backpack.tf/profiles/76561198337734785#!/compare/1572220800/1572307200

QS

sale 9:

https://backpack.tf/profiles/76561198333713212#!/compare/1568505600/1570492800

https://backpack.tf/profiles/76561198080179568#!/compare/1569628800/1569715200

QS

sale 10:

https://backpack.tf/profiles/76561198858743886#!/compare/1566259200/1573257600

https://backpack.tf/profiles/76561198066263905#!/compare/1566172800/1566259200

Untrace

sale 11:

https://backpack.tf/profiles/76561198066263905#!/compare/1567987200/1568764800

https://backpack.tf/profiles/76561198118856146#!/compare/1567209600/1568505600

SCM

Total sales @:

6, 6.5, 7, 7.5 keys

buyers up to ~6.5 keys,

given that 6.5 resold for 7.5 relatively quick,

let's take 7 - 7.5 keys.