Sale 1:

https://backpack.tf/profiles/76561198227657840#!/compare/1585440000/1585526400

https://backpack.tf/profiles/76561198254620348#!/compare/1585353600/1585526400

sold for Isotope Snowed WW Sniper

Sniper Mini:

https://backpack.tf/suggestion/5ea37b9601dfc2024a56a346

Suggestion for 31 keys

sale 2:

https://backpack.tf/profiles/76561198254620348#!/compare/1585526400/1585785600

https://backpack.tf/profiles/76561198346243193#!/compare/1585612800/1585785600

Sold for Gluons Beanie

use there

https://bot.tf/stats/listings/MGLLO00Q

B/O of 30 keys

Sale 3:

https://backpack.tf/profiles/76561198346243193#!/compare/1585872000/1585958400

https://backpack.tf/profiles/76561198087472007#!/compare/1585094400/1586044800

sold with 2 keys for CH Pithy

use there, few sales

https://bot.tf/stats/listings/4P0VDVQ3

B/O of 29 keys

Sale 4:

https://backpack.tf/profiles/76561198087472007#!/compare/1586044800/1586217600

https://backpack.tf/profiles/76561198125527923#!/compare/1585958400/1586044800

Sold for bubbling Mohawk

use there

Sale 5:

https://backpack.tf/profiles/76561198179392029#!/compare/1577059200/1586995200

https://backpack.tf/profiles/76561198059309388#!/compare/1586908800/1586995200

sold for DP Ushanka + Smoking buckaroo + ~4 keys in sweets

Buck Mini:

https://backpack.tf/suggestion/5eacdcd1bd79ad7f050d3f05

Suggestion for 8.5 keys

Ushanka Mini:

https://backpack.tf/suggestion/5eace02bc95e5a4dea112292

Suggestion for 8.25 keys

Total is 21 keys

sale 6:

https://backpack.tf/profiles/76561198059309388#!/compare/1587254400/1587340800

https://backpack.tf/profiles/76561198043351336#!/compare/1587168000/1587340800

Keys, probably

Sale 7:

https://backpack.tf/profiles/76561198043351336#!/compare/1587513600/1588118400

https://backpack.tf/profiles/76561198114635132#!/compare/1588032000/1588118400

sold with G Fetti Raincatcher for CH Barnstormer + negligible sweets

use there

sale 8:

https://backpack.tf/profiles/76561198114635132#!/compare/1588118400/1588204800

https://backpack.tf/profiles/76561198318905691#!/compare/1588118400/1588204800

sold for CPS Tundra + ~1 key in sweets

Tundra Mini:

https://backpack.tf/suggestion/5eacf299f963b019c52400f8

Suggestion for 21.5 keys

Total is 22.5 keys

https://bot.tf/stats/listings/4ZPN16XX

B/O of 31 keys

sale 9:

https://marketplace.tf/items/tf2/30546;5;u29

$22.06 / $1.68 = 13.13 keys

$37.72 / $1.69 = 22.32 keys

$37.34 / $1.69 = 22.09 keys <--- https://backpack.tf/item/6641411419

$36.96 / $1.69 = 21.87 keys

$22.38 / $1.77 = 12.64 keys

$49.99 / $1.78 = 28.08 keys

Total sales @:

13, 13, 21, 22, 22, 22, 23, 28, 31 keys

buyers up to ~17 keys,

calling 13 low,

28 high,

taking 21 - 23 keys.