Sale 1:

https://backpack.tf/profiles/76561197999873164#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198316720185#!/compare/1581206400/1581465600

sold for ~11.5 keys

sale 2:

https://backpack.tf/profiles/76561198316720185#!/compare/1582070400/1582416000

https://backpack.tf/profiles/76561198155110999#!/compare/1582329600/1582416000

Sold for ~11 keys (QS)

Sale 3:

https://backpack.tf/profiles/76561198155110999#!/compare/1582329600/1582416000

https://backpack.tf/profiles/76561198080179568#!/compare/1582329600/1582416000

Transfer

sale 4:

https://backpack.tf/profiles/76561198080179568#!/compare/1583539200/1583625600

https://backpack.tf/profiles/76561198449775931#!/compare/1581638400/1583625600

untrace

sale 5:

https://backpack.tf/profiles/76561198449775931#!/compare/1583625600/1583712000

https://backpack.tf/profiles/76561198799865004#!/compare/1582588800/1584230400

SCM

sale 6:

https://backpack.tf/profiles/76561198799865004#!/compare/1584230400/1584489600

https://backpack.tf/profiles/76561198080179568#!/compare/1584403200/1584489600

QS

sale 7:

https://backpack.tf/profiles/76561198080179568#!/compare/1585267200/1585353600

https://backpack.tf/profiles/76561198287075684#!/compare/1581897600/1586908800

Sold for 11 keys

Sale 8:

https://backpack.tf/profiles/76561198287075684#!/compare/1581897600/1586908800

https://backpack.tf/profiles/76561198080179568#!/compare/1586822400/1586908800

QS

sale 9:

https://backpack.tf/profiles/76561198080179568#!/compare/1587168000/1587254400

https://backpack.tf/profiles/76561198343426789#!/compare/1587254400/1587340800

Untrace

sale 10:

https://backpack.tf/profiles/76561198123177303#!/compare/1580342400/1580428800

https://backpack.tf/profiles/76561198002757046#!/compare/1580256000/1580342400

Sold for Steaming Kiss King

use there

sale 11:

https://backpack.tf/profiles/76561198002757046#!/compare/1580688000/1580774400

https://backpack.tf/profiles/76561198066369838#!/compare/1580688000/1580774400

Sold for ~10 keys

sale 12:

https://backpack.tf/profiles/76561198066369838#!/compare/1580774400/1580860800

https://backpack.tf/profiles/76561198895145240#!/compare/1580860800/1580947200

Untrace

sale 13:

https://backpack.tf/profiles/76561198895145240#!/compare/1580947200/1581033600

https://backpack.tf/profiles/76561198188639765#!/compare/1580947200/1581033600

Sold for Miasma Convict + 2 keys

use there, looks to end up low by sellers

sale 14:

https://backpack.tf/profiles/76561198188639765#!/compare/1581120000/1581206400

https://backpack.tf/profiles/76561198203134351#!/compare/1581033600/1581120000

Sold for 10 keys

sale 15:

https://backpack.tf/profiles/76561198203134351#!/compare/1581292800/1581379200

https://backpack.tf/profiles/76561198301456164#!/compare/1581292800/1581379200

Sold for Smoking Company

use there

sale 14:

https://backpack.tf/profiles/76561198301456164#!/compare/1581465600/1581552000

https://backpack.tf/profiles/76561198206210703#!/compare/1581638400/1581724800

Untrace

sale 15:

https://backpack.tf/profiles/76561198206210703#!/compare/1581724800/1582070400

https://backpack.tf/profiles/76561198152154260#!/compare/1581638400/1581724800

Untrace

sale 16:

https://backpack.tf/profiles/76561198811524972#!/compare/1582329600/1582588800

https://backpack.tf/profiles/76561198101903046#!/compare/1582502400/1582588800

Sold for 10 keys

sale 17:

https://backpack.tf/profiles/76561198101903046#!/compare/1582588800/1582675200

https://backpack.tf/profiles/76561198284009124#!/compare/1582243200/1582761600

Sold for 11 keys

sale 18:

https://backpack.tf/profiles/76561198254313664#!/compare/1573776000/1584144000

https://backpack.tf/profiles/76561198002757046#!/compare/1584057600/1584144000

QS

sale 19:

https://backpack.tf/profiles/76561198002757046#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198176218038#!/compare/1586476800/1586563200

Sold for 11 keys

Sale 20:

https://backpack.tf/profiles/76561198305494036#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198151556155#!/compare/1586131200/1586390400

https://backpack.tf/profiles/76561198305494036#!/compare/1586304000/1586390400

Tradeback

sale 21:

https://backpack.tf/profiles/76561198305494036#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198433137415#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198433137415#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198305494036#!/compare/1586390400/1586476800

tradeback

sale 22:

https://backpack.tf/profiles/76561198305494036#!/compare/1586908800/1586995200

https://backpack.tf/profiles/76561198173153699#!/compare/1586476800/1586995200

Untrace

sale 23, 24:

https://marketplace.tf/items/tf2/30001;5;u57

$20 / $1.78 = 11.24 keys

$19.22 / $1.77 = 10.86 keys

Total sales @:

10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11.5 keys

buyers up to 10 keys,

calling 10 low,

11.5 high,

taking 11 flat.