Sale 1:

https://backpack.tf/profiles/76561198039384692#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198045775820#!/compare/1564704000/1564790400

SCM

Sale 2:

https://backpack.tf/profiles/76561198045775820#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561197995378859#!/compare/1565136000/1565222400

SCM

Sale 3:

https://backpack.tf/profiles/76561197995378859#!/compare/1568332800/1568505600

https://backpack.tf/profiles/76561198077721723#!/compare/1568246400/1568592000

untrace

Sale 4:

https://backpack.tf/profiles/76561198024586264#!/compare/1569110400/1569283200

https://backpack.tf/profiles/76561198917893533#!/compare/1568937600/1569196800

Sold for ~9.5 keys

Sale 5:

https://backpack.tf/profiles/76561198917893533#!/compare/1569283200/1569369600

https://backpack.tf/profiles/76561198189106033#!/compare/1569196800/1569283200

Bulky?

Sale 6:

https://backpack.tf/profiles/76561198189106033#!/compare/1569369600/1569456000

https://backpack.tf/profiles/76561198152778654#!/compare/1569369600/1569456000

Sold with ~6.49 keys in sweets for CPS Boxcar(24)

Total is ~18 keys

Sale 7:

https://backpack.tf/profiles/76561198152778654#!/compare/1569715200/1569801600

https://backpack.tf/profiles/76561198004952793#!/compare/1569715200/1569801600

Sold with 9 keys for HG Dogger

Dogger Mini:

https://backpack.tf/suggestion/5db8b20cd381720788556ad8

Suggestion for 22 keys

Total is 13 keys

Sale 8:

https://backpack.tf/profiles/76561198062849557#!/compare/1562457600/1568332800

https://backpack.tf/profiles/76561198090520837#!/compare/1568246400/1568332800

Sold with Bubbling modest for Bubbling Peak

bulk

Sale 9:

https://backpack.tf/profiles/76561198090520837#!/compare/1569024000/1569110400

https://backpack.tf/profiles/76561198323565601#!/compare/1569024000/1569110400

QS

Sale 10:

https://backpack.tf/profiles/76561198089253101#!/compare/1570752000/1570838400

https://backpack.tf/profiles/76561198026198026#!/compare/1570752000/1570838400

Bulk

Sale 11:

https://backpack.tf/profiles/76561198026198026#!/compare/1570924800/1571011200

https://backpack.tf/profiles/76561198271818664#!/compare/1571011200/1571097600

Bulk QS

Sale 12:

https://backpack.tf/profiles/76561198097102281#!/compare/1572048000/1572220800

https://backpack.tf/profiles/76561198271818664#!/compare/1571961600/1572307200

untrace

Sale 13:

https://marketplace.tf/items/tf2/31048;5;u11

$20.1 / $1.83 = 10.98 keys

https://backpack.tf/item/8071194407

Total sales @:

9.5, 10.98, 13, 18 keys

buyers up to 6 keys,

sellers at 10, 12 keys, both new.

https://i.imgur.com/pwpVBPr.png

Calling 18 high,

taking 10 - 13 keys