Sale 1:

https://backpack.tf/profiles/76561198085306013#!/compare/1547856000/1548028800

https://backpack.tf/profiles/76561198019257028#!/compare/1547942400/1548028800

Sold for Burning Bucket(73)

Sale 2:

https://backpack.tf/profiles/76561198019257028#!/compare/1549411200/1549497600

https://backpack.tf/profiles/76561198216716801#!/compare/1549324800/1549497600

Sold for DBD Woodsman

Use there

Sale 3:

https://backpack.tf/profiles/76561198216716801#!/compare/1551398400/1551484800

https://backpack.tf/profiles/76561198337734785#!/compare/1551484800/1551571200

QS?

Sale 4:

https://backpack.tf/profiles/76561198337734785#!/compare/1551484800/1551571200

https://backpack.tf/profiles/76561198375753555#!/compare/1551484800/1551571200

Can trace 50 keys

Sale 5:

https://backpack.tf/profiles/76561198375753555#!/compare/1551657600/1551744000

https://backpack.tf/profiles/76561198164003933#!/compare/1551657600/1551744000

Sold for 77 keys

Sale 6:

https://backpack.tf/profiles/76561198164003933#!/compare/1552089600/1552435200

https://backpack.tf/profiles/76561197994697258#!/compare/1552348800/1552435200

Sold for Burning LED

Low, ends up close to buyers

Sale 7:

https://backpack.tf/profiles/76561197994697258#!/compare/1552867200/1552953600

https://backpack.tf/profiles/76561198200429330#!/compare/1552780800/1552953600

Sold with 5 keys for Duped PE Noir + G Fetti Modest(22) + P Fetti Rotation(32)

Nothing on Noir

https://bot.tf/stats/listings/423K2JQY

B/O of 86 keys

Easily caps due to buyers, however. Taking 86

Sale 8:

https://backpack.tf/profiles/76561198200429330#!/compare/1553040000/1553126400

https://backpack.tf/profiles/76561197994697258#!/compare/1553040000/1553126400

Sold with ~17 keys in sweets for CH Cotton(93)

Total is 76 keys

Sale 9:

https://backpack.tf/profiles/76561198391320101#!/compare/1552089600/1552176000

https://backpack.tf/profiles/76561198186718459#!/compare/1551830400/1552176000

Bulk / untrace

Sale 11:

https://backpack.tf/profiles/76561198186718459#!/compare/1552176000/1552262400

https://backpack.tf/profiles/76561198864518996#!/compare/1552089600/1552262400

transfers

Sale 12:

https://backpack.tf/profiles/76561198186718459#!/compare/1552262400/1552348800

https://backpack.tf/profiles/76561198285545622#!/compare/1551830400/1552348800

https://backpack.tf/profiles/76561198055544256#!/compare/1552262400/1552348800

Gambling?

Sale 13:

https://marketplace.tf/items/30177;5;u109

https://manic.tf/keyprice/?at=2019-01-25&price=148.90

$148.90 / $1.77 = 84.12 keys

https://manic.tf/keyprice/?at=2019-02-21&price=110.00

$110.00 / $1.8 = 61.11 keys

https://manic.tf/keyprice/?at=2019-03-10&price=159.99

$159.99 / $1.8 = 88.88 keys

Total sales @:

50, 61.11, 73, 76, 77, 84.12, 88.88 keys

Buyers up to 61 keys,

Seller at 86 keys,

calling 88 the outlier based on seller (doubt it will sell soon)

Taking 73 - 84 keys