Revised Sales:

sale 1:

https://backpack.tf/profiles/76561198153549105#!/compare/1590537600/1590883200

https://backpack.tf/profiles/76561198142110950#!/compare/1590883200/1590969600

Bulk for keys?

sale 2:

https://backpack.tf/profiles/76561198142110950#!/compare/1591056000/1591142400

https://backpack.tf/profiles/76561198403403639#!/compare/1591056000/1591142400

Sold for TW Tough Stuff(21)

sale 3:

https://backpack.tf/profiles/76561198403403639#!/compare/1591142400/1591315200

https://backpack.tf/profiles/76561198971756741#!/compare/1591228800/1591315200

Sold for CPS Mmph(13)

sale 4:

https://backpack.tf/profiles/76561198971756741#!/compare/1591228800/1591315200

https://backpack.tf/profiles/76561198413058872#!/compare/1591315200/1591401600

Untrace

sale 5:

https://backpack.tf/profiles/76561198413058872#!/compare/1591315200/1591401600

https://backpack.tf/profiles/76561198954470051#!/compare/1591315200/1591401600

Sold for Stormy Greased(18)

Sale 6:

https://backpack.tf/profiles/76561198954470051#!/compare/1591315200/1591401600

https://backpack.tf/profiles/76561198109830172#!/compare/1591315200/1591401600

Bulky

sale 7:

https://backpack.tf/profiles/76561198109830172#!/compare/1591401600/1591488000

https://backpack.tf/profiles/76561198114807851#!/compare/1591401600/1591488000

Sold for ~13 keys

Sale 8:

https://backpack.tf/profiles/76561198080179568#!/compare/1588896000/1588982400

https://backpack.tf/profiles/76561198149038047#!/compare/1588896000/1588982400

Sold for ~14 keys

sale 9:

https://backpack.tf/profiles/76561198337734785#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198114635132#!/compare/1586131200/1586217600

Sold for ~16 keys

sale 10:

https://backpack.tf/profiles/76561198114635132#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198000485231#!/compare/1586131200/1586217600

Sold for PE Pure Tin + ~4 keys in sweets

use there, few sales

sale 11:

https://backpack.tf/profiles/76561198000485231#!/compare/1586736000/1586908800

https://backpack.tf/profiles/76561198080056259#!/compare/1586822400/1586908800

Sold for 11 keys

sale 12:

https://backpack.tf/profiles/76561198080056259#!/compare/1586995200/1587168000

https://backpack.tf/profiles/76561199003283513#!/compare/1586736000/1586995200

Sold for 9 keys(?)

sale 13:

https://backpack.tf/profiles/76561199003283513#!/compare/1587081600/1587168000

https://backpack.tf/profiles/76561198112489117#!/compare/1587427200/1588550400

Untrace

sale 14:

https://backpack.tf/profiles/76561198112489117#!/compare/1592006400/1593302400

https://backpack.tf/profiles/76561198207755712#!/compare/1592006400/1592092800

sold with ~1 key in sweets for Aussie Scatter(~30)

Total is 29 keys

sale 15:

https://backpack.tf/profiles/76561198122096342#!/compare/1592611200/1592784000

https://backpack.tf/profiles/76561198305507617#!/compare/1592524800/1592697600

Sold for 14 keys

sale 16:

https://backpack.tf/profiles/76561198037674114#!/compare/1590105600/1590278400

https://backpack.tf/profiles/76561198850274253#!/compare/1590278400/1590192000

untrace

sale 17:

https://backpack.tf/profiles/76561198850274253#!/compare/1592438400/1592524800

https://backpack.tf/profiles/76561198089253101#!/compare/1592438400/1592524800

Sold for ~14 keys

Sale 18:

https://backpack.tf/profiles/76561198089253101#!/compare/1592524800/1592611200

https://backpack.tf/profiles/76561198030214998#!/compare/1592524800/1592611200

https://backpack.tf/profiles/76561198089253101#!/compare/1592524800/1592611200

https://backpack.tf/profiles/76561198096592600#!/compare/1592524800/1592956800

Untrace / bulk

sale 19:

https://backpack.tf/profiles/76561198182552231#!/compare/1588118400/1590796800

https://backpack.tf/profiles/76561198162120088#!/compare/1590624000/1590710400

Bulk

sale 20:

https://backpack.tf/profiles/76561198015025768#!/compare/1592265600/1592352000

https://backpack.tf/profiles/76561198102298597#!/compare/1592179200/1592265600

Untrace

sale 21:

https://backpack.tf/profiles/76561198015025768#!/compare/1592265600/1592352000

https://backpack.tf/profiles/76561198102298597#!/compare/1592179200/1592265600

Untrace

sale 22:

https://backpack.tf/profiles/76561198102298597#!/compare/1592265600/1592352000

https://backpack.tf/profiles/76561198140372785#!/compare/1592265600/1592352000

sold for 19 keys

Sale 23:

https://marketplace.tf/items/tf2/30375;5;u7

$27.22 / $1.69 = 16.11 keys

$46.67 / $1.89 = 24.69 keys <--- https://backpack.tf/item/4542976931

$40 / $1.98 = 20.20 keys

Total sales @:

9, 11, 13, 13, 14, 14, 14, 16, 16, 18, 19, 20, 21, 25, 29 keys

buyers at ~10.6 keys,

https://i.imgur.com/SEwT0uc.jpg