Sale 1:

https://backpack.tf/item/3271257685

https://backpack.tf/profiles/76561198838468618#!/compare/1564185600/1564272000

https://backpack.tf/profiles/76561198081844689#!/compare/1540425600/1566864000

Not unusual

Sale 2:

https://backpack.tf/profiles/76561198412785172#!/compare/1561075200/1561161600

https://backpack.tf/profiles/76561198953539768#!/compare/1567382400/1567382400

https://backpack.tf/profiles/76561198286784386#!/compare/1567296000/1567382400

Untrace

Sale 3:

https://backpack.tf/profiles/76561198286784386#!/compare/1567382400/1567468800

https://backpack.tf/profiles/76561198334598690#!/compare/1567296000/1567382400

Keys, at least 2

Sale 4:

https://backpack.tf/profiles/76561198202972352#!/compare/1560384000/1562544000

https://backpack.tf/profiles/76561198051672963#!/compare/1565913600/1566172800

SCM

Sale 5:

https://backpack.tf/profiles/76561198171655581#!/compare/1559952000/1560297600

https://backpack.tf/profiles/76561198039596722#!/compare/1560038400/1562198400

Untrace, SCM?

Sale 6:

https://backpack.tf/profiles/76561198107219183#!/compare/1562630400/1563148800

https://backpack.tf/profiles/76561198841279602#!/compare/1563062400/1563148800

QS

Sale 7:

https://backpack.tf/profiles/76561198841279602#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198082792831#!/compare/1565827200/1565913600

Sold for ~11 keys

Sale 8:

https://backpack.tf/profiles/76561198083478388#!/compare/1562198400/1562371200

https://backpack.tf/item/3771638608

Not unusual, then scrap sale

Sale 9:

https://backpack.tf/profiles/76561198273595803#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198363395191#!/compare/1566950400/1567036800

Not unusual, then QS

https://backpack.tf/item/8027692128

Sale 10:

https://backpack.tf/profiles/76561198069707880#!/compare/1564358400/1564444800

https://backpack.tf/profiles/76561198011587123#!/compare/1564272000/1564444800

Not unusual

https://backpack.tf/item/5011675343

Sale 11:

https://backpack.tf/profiles/76561198152293052#!/compare/1564617600/1564704000

https://backpack.tf/profiles/76561198083415313#!/compare/1564531200/1564704000

Bulk

Sale 12:

https://backpack.tf/profiles/76561198083415313#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198363395191#!/compare/1564790400/1564876800

QS to bot

Sale 13, 14:

https://marketplace.tf/items/tf2/30570;5;u3001

$21.59 / $1.83 = 11.80 keys <-- https://backpack.tf/item/6575549460 |

$21.5 / $1.80 = 11.94 keys <-- https://backpack.tf/item/5450991106 |

Bot.tf:

https://bot.tf/stats/item?def=30570&q=5&ef=Showstopper&craft=1&aus=0&ks=0&source=browser_script

https://i.imgur.com/h86tVoC.png

1 sale @ ~10 keys,

2 sales @ ~9 keys,

1 sale @ ~8 keys

Total sales 2:

8, 9, 9, 10, 11, 12, 12 keys

buyers up to 8 keys, one for ~8.5 keys,

3 sellers for ~10 keys, all fairly young / aging.

gonna take 9 - 12 keys, conserving close to unsolds.