Sale 1:

https://backpack.tf/profiles/76561198074247207#!/compare/1569628800/1569715200

https://backpack.tf/profiles/76561198415801736#!/compare/1569369600/1569715200

Sold for CPS Question(20)

Sale 2:

https://backpack.tf/profiles/76561198415801736#!/compare/1569801600/1569888000

https://backpack.tf/profiles/76561198044684270#!/compare/1569801600/1569888000

Sold for ~20 keys (QS)

Sale 3:

https://backpack.tf/profiles/76561198154700747#!/compare/1564012800/1564099200

https://backpack.tf/profiles/76561198066059505#!/compare/1563926400/1564012800

Sold for 22 keys

Sale 4:

https://backpack.tf/profiles/76561198199425379#!/compare/1571270400/1571443200

https://backpack.tf/profiles/76561198338133604#!/compare/1571270400/1571443200

tradeback / transfer

sale 5:

https://backpack.tf/profiles/76561198006136307#!/compare/1564617600/1564704000

https://backpack.tf/profiles/76561197994697258#!/compare/1564617600/1564704000

Bulk

sale 6:

https://backpack.tf/profiles/76561197994697258#!/compare/1565222400/1565308800

https://backpack.tf/profiles/76561198118744277#!/compare/1565222400/1565308800

Sold for 30 keys

Sale 7:

https://backpack.tf/profiles/76561198118744277#!/compare/1567555200/1567641600

https://backpack.tf/profiles/76561198336460737#!/compare/1567296000/1567641600

Sold for 20 keys

Sale 8:

https://backpack.tf/profiles/76561198336460737#!/compare/1569024000/1569283200

https://backpack.tf/profiles/76561198340634356#!/compare/1569196800/1569283200

QS

Sale 9:

https://marketplace.tf/items/tf2/30570;5;u3021

$31.17 / $1.81 = 17.22 keys

Total sales @:

17, 20, 20, 20, 22, 30 keys

buyers, at least 2, for 21 keys on and off.

https://bot.tf/stats/listings/Y7DEVNGN

https://bot.tf/stats/listings/46NK0O39

https://bot.tf/stats/listings/M170Z50X

https://bot.tf/stats/listings/Y8EJ2GX9

https://bot.tf/stats/listings/4W6891GX

https://bot.tf/stats/listings/4EE0VQED

https://bot.tf/stats/listings/MLR6N65Z

https://bot.tf/stats/listings/425N1N85

one other buyer at 20 consistently.

sale at 30 is outlier + was resold for lower

given bulk of sales at 20, (and lack of any other buyers at above ~18, thanks Shuffle!)

sellers down to 24 keys,

taking 20 - 22 keys, for now.