Resuggestion, thanks to Polar for the info!

Sale 1:

https://backpack.tf/profiles/76561198071657158#!/compare/1565308800/1565827200

https://backpack.tf/profiles/76561198160856661#!/compare/1565740800/1565827200

Sold with KaW Napper for CH Brigade

use there

Sale 2:

https://backpack.tf/profiles/76561198160856661#!/compare/1567036800/1567123200

https://backpack.tf/profiles/76561198297146760#!/compare/1567123200/1567382400

Sold for 40 keys

Sale 3:

https://backpack.tf/profiles/76561197991916377#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198232041512#!/compare/1564790400/1564876800

Bulk

Sale 4:

https://backpack.tf/profiles/76561198232041512#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198197215790#!/compare/1564876800/1564963200

Sold with Miami Herald for OF Bonk + ~6 keys in sweets

nothing on the Herald

Sale 5:

https://backpack.tf/profiles/76561198047683733#!/compare/1568073600/1568678400

https://backpack.tf/profiles/76561198980992273#!/compare/1568592000/1568678400

Bot?

Sale 6:

https://backpack.tf/profiles/76561198003188332#!/compare/1568937600/1569024000

https://backpack.tf/profiles/76561198183396245#!/compare/1568937600/1569024000

Sold for Isotope Aqua FT Launcher(39) + Isotope Ghosts FT Scatter

Scatter Mini:

https://backpack.tf/suggestion/5d8c4e45d3817268843e2bee

Suggestion for 39.5 keys

Total is 78.5 keys

https://bot.tf/stats/listings/MXQV0LGP

B/O of 50 keys, capping

Sale 7:

https://backpack.tf/profiles/76561198183396245#!/compare/1569110400/1569196800

https://backpack.tf/profiles/76561198105071091#!/compare/1569110400/1569196800

Bulk

sale 8:

https://marketplace.tf/items/tf2/451;5;u32;strange

$85 / $1.82 = 46.70 keys

Sale 9, 10:

https://marketplace.tf/items/tf2/451;5;u32

$49.38 / $1.81 = 27.28 keys

$80.25 / $1.82 = 44.09 keys

Total sales @:

27.28, 40, 44.09, 46.70, 50 keys

buyers up to 37 keys,

Polar's Part:

I would take one outlier on either end here and go 40-47. The high end sale looks like an outlier 75 on a b/o of 50