Sale 1:

https://backpack.tf/profiles/76561198311291857#!/compare/1563062400/1563148800

https://backpack.tf/profiles/76561198342161127#!/compare/1562976000/1563062400

QS

sale 2:

https://backpack.tf/profiles/76561198260322704#!/compare/1562630400/1562716800

https://backpack.tf/profiles/76561197993987295#!/compare/1562544000/1562630400

Tradeback (other unusuals trading back and forth)

Sale 3:

https://backpack.tf/profiles/76561197993987295#!/compare/1562630400/1562716800

https://backpack.tf/profiles/76561198121830870#!/compare/1562544000/1562630400

Sold for 21 keys

sale 4:

https://backpack.tf/profiles/76561198121830870#!/compare/1562976000/1563062400

https://backpack.tf/profiles/76561198335791307#!/compare/1563148800/1563235200

QS

Sale 5:

https://backpack.tf/profiles/76561198141231631#!/compare/1558828800/1559088000

https://backpack.tf/profiles/76561198822754384#!/compare/1559088000/1559174400

https://backpack.tf/profiles/76561198350879574#!/compare/1559088000/1559174400

https://backpack.tf/profiles/76561198240537922#!/compare/1559088000/1559174400

https://backpack.tf/profiles/76561198042951716#!/compare/1559088000/1559174400

https://backpack.tf/profiles/76561198173961719#!/compare/1559174400/1559260800

Gambling(?)

Sale 6:

https://backpack.tf/profiles/76561198173961719#!/compare/1559347200/1559433600

https://backpack.tf/profiles/76561198100484031#!/compare/1559347200/1559433600

https://backpack.tf/profiles/76561198880377562#!/compare/1559260800/1559433600

https://backpack.tf/profiles/76561198100484031#!/compare/1559347200/1559433600

https://backpack.tf/profiles/76561198089253101#!/compare/1559347200/1559433600

Untrace

Sale 7:

https://backpack.tf/profiles/76561198089253101#!/compare/1559520000/1559606400

https://backpack.tf/profiles/76561198127938353#!/compare/1559520000/1559692800

Sold for ~26 keys

Sale 8:

https://backpack.tf/profiles/76561198127938353#!/compare/1559692800/1559779200

https://backpack.tf/profiles/76561198316961222#!/compare/1559692800/1559779200

Sold for ~26 keys

Sale 9:

https://backpack.tf/profiles/76561198316961222#!/compare/1560038400/1560124800

https://backpack.tf/profiles/76561198159855421#!/compare/1560038400/1560124800

Bulk / Transfer

Sale 10:

https://backpack.tf/profiles/76561198341171690#!/compare/1562198400/1562284800

https://backpack.tf/profiles/76561198051798340#!/compare/1562284800/1562371200

Sold for ~28 keys

Sale 11:

https://backpack.tf/profiles/76561198048851745#!/compare/1564531200/1564617600

https://backpack.tf/profiles/76561198088897753#!/compare/1564617600/1564963200

Sold with a key for Aces Casemaker

use there

Sale 12:

https://backpack.tf/profiles/76561198088897753#!/compare/1564963200/1565481600

https://backpack.tf/profiles/76561198055058172#!/compare/1564876800/1565049600

Sold for KaW Slo-Poke

Use there

Sale 13:

https://backpack.tf/profiles/76561198055058172#!/compare/1565395200/1565481600

https://backpack.tf/profiles/76561198350704417#!/compare/1565395200/1565481600

Untrace

Sale 14:

https://backpack.tf/profiles/76561198350704417#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198267364698#!/compare/1565654400/1565740800

Sold for 22 keys

Sale 15:

https://backpack.tf/profiles/76561198267364698#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198082095496#!/compare/1565654400/1565740800

Untrace

Sale 16:

https://backpack.tf/profiles/76561198082095496#!/compare/1565740800/1565913600

https://backpack.tf/profiles/76561198134756248#!/compare/1565481600/1565740800

Untrace

Sale 17:

https://backpack.tf/profiles/76561198134756248#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198117017094#!/compare/1565654400/1565913600

Sold for Steaming Razor + 3 keys

Razor Mini:

https://backpack.tf/suggestion/5d5c6ddfd3817204a9654188

Suggestion for 21.5 keys

Total is 24.5 keys

Sale 18:

https://backpack.tf/profiles/76561198287748654#!/compare/1559433600/1559606400

https://backpack.tf/profiles/76561198335791307#!/compare/1559520000/1559606400

QS

Sale 19:

https://backpack.tf/profiles/76561198040831889#!/compare/1559001600/1559088000

https://backpack.tf/profiles/76561198312583107#!/compare/1559001600/1559088000

Sold for 26 keys

Sale 20:

https://backpack.tf/profiles/76561198253747736#!/compare/1564531200/1564617600

https://backpack.tf/profiles/76561198316071886#!/compare/1564358400/1564531200

Bulk

Sale 21:

https://backpack.tf/profiles/76561198316071886#!/compare/1564790400/1564963200

https://backpack.tf/profiles/76561198304302520#!/compare/1564790400/1564963200

Transfer

Sale 22:

https://backpack.tf/profiles/76561198304302520#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198077449164#!/compare/1565913600/1566000000

Untrace

Sale 23:

https://backpack.tf/profiles/76561198073438708#!/compare/1559779200/1559952000

https://backpack.tf/profiles/76561198352833090#!/compare/1559865600/1559952000

Sold for 27 keys

Sale 24:

https://backpack.tf/profiles/76561198352833090#!/compare/1561075200/1562112000

https://backpack.tf/profiles/76561198335791307#!/compare/1562025600/1562112000

QS

Sale 25:

https://marketplace.tf/items/tf2/30066;5;u32

$50 / $1.81 = 27.62 keys

https://backpack.tf/item/2136839992

https://bot.tf/stats/listings/Y9GZOOWD

B/O of ~28 keys

Total sales @:

21, 22, 24.5, 26, 26, 26, 27, 27.62, 28 keys

4 sellers at ~28 keys (all from one bot)

General buyers at 19, 24 keys (24 seems high)

still, gonna call 21, 22 low,

gonna take 25 - 28 keys.