Sale 1:

https://backpack.tf/profiles/76561198021055079#!/compare/1591747200/1591833600

https://backpack.tf/profiles/76561198150072904#!/compare/1591660800/1591833600

Sold for Scorching Cadaver + 1 key

use there, few sales

https://bot.tf/stats/listings/4WX3Q180

B/O of 25 keys

sale 2:

https://backpack.tf/profiles/76561198150072904#!/compare/1592265600/1592438400

https://backpack.tf/profiles/76561198107676964#!/compare/1592352000/1592438400

https://backpack.tf/profiles/76561198011827547#!/compare/1592352000/1592438400

Untrace

sale 3:

https://backpack.tf/profiles/76561198011827547#!/compare/1592352000/1592438400

https://backpack.tf/profiles/76561198072058154#!/compare/1592352000/1592438400

Sold for Beams Missing

Missing Mini:

https://backpack.tf/suggestion/5f2e56a71a71fe29986088ca

Suggestion for 26 keys

Sale 4:

https://backpack.tf/profiles/76561198072058154#!/compare/1592352000/1592438400

https://backpack.tf/profiles/76561198962439228#!/compare/1592352000/1592438400

Untrace

sale 5:

https://backpack.tf/profiles/76561198962439228#!/compare/1592870400/1592956800

https://backpack.tf/profiles/76561199039080265#!/compare/1592870400/1592956800

Sold with C9 Dread(19) for HG Ten Gallon(39.5)

Total is 20.5 keys

sale 6:

https://backpack.tf/profiles/76561199039080265#!/compare/1593043200/1593129600

https://backpack.tf/profiles/76561198808612658#!/compare/1593043200/1593129600

Sold for sweets, low. likely more, but can't trace anything...

sale 7:

https://backpack.tf/profiles/76561198808612658#!/compare/1593129600/1593216000

https://backpack.tf/profiles/76561198360479576#!/compare/1593043200/1593129600

Sold with ~2 keys in sweets for... something. likely Brain Warming, but cannot prove.

sale 8:

https://backpack.tf/profiles/76561198360479576#!/compare/1593388800/1593475200

https://backpack.tf/profiles/76561198146784656#!/compare/1593302400/1593388800

Bulky / use there

sale 9:

https://backpack.tf/profiles/76561198146784656#!/compare/1593475200/1593561600

https://backpack.tf/profiles/76561198149229665#!/compare/1593388800/1593475200

Sold for ~13 keys in sweets

Sale 10:

https://backpack.tf/profiles/76561198191779491#!/compare/1588896000/1588982400

https://backpack.tf/profiles/76561198838050061#!/compare/1588896000/1588982400

Sold with negligible sweets for Blizzardy Wet Works(18)

https://bot.tf/stats/listings/4EP08XLQ

B/O of 24 keys

sale 11:

https://backpack.tf/profiles/76561198838050061#!/compare/1589328000/1589500800

https://backpack.tf/profiles/76561198124241068#!/compare/1589414400/1589500800

Bulk

sale 12:

https://backpack.tf/profiles/76561198124241068#!/compare/1590192000/1590710400

https://backpack.tf/profiles/76561198091502579#!/compare/1590624000/1590710400

Sold for 17 keys

sale 13:

https://backpack.tf/profiles/76561198363412851#!/compare/1592697600/1593302400

https://backpack.tf/profiles/76561198850266056#!/compare/1592611200/1592697600

QS / untrace

sale 14:

https://marketplace.tf/items/tf2/778;5;u62

$49.99 / $1.92 = 26.04 keys

Total sales @:

13, 17, 18, 21, 26, 26 keys

buyers up to 13 keys,

https://backpack.tf/item/7956882860

https://bot.tf/stats/listings/MVQKL97W

unsold for nearly 2 months at ~24,

https://backpack.tf/item/7956798480

https://bot.tf/stats/listings/4EP5O0XK

unsold for at least a month at 24,

calling 13 low,

26 high,

taking 17 - 21 keys.