Resuggestion, thanks to K1ng for the info!

Sale 1:

https://backpack.tf/profiles/76561198071773575#!/compare/1567036800/1567209600

https://backpack.tf/profiles/76561198368964060#!/compare/1566691200/1567209600

Untrace

sale 2:

https://backpack.tf/profiles/76561198368964060#!/compare/1566691200/1567209600

https://backpack.tf/profiles/76561198083829532#!/compare/1567123200/1567209600

Sold for 9 keys

sale 3:

https://backpack.tf/profiles/76561198083829532#!/compare/1567209600/1567296000

https://backpack.tf/profiles/76561198176029389#!/compare/1567209600/1567296000

Sold for ~12 keys

Sale 4:

https://backpack.tf/profiles/76561198044125408#!/compare/1564531200/1566345600

https://backpack.tf/profiles/76561198210125361#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198101300189#!/compare/1566345600/1566432000

https://backpack.tf/profiles/76561198210125361#!/compare/1566345600/1566432000

https://backpack.tf/profiles/76561198102670784#!/compare/1551744000/1566518400

Untrace

Sale 5:

https://backpack.tf/profiles/76561198102670784#!/compare/1566950400/1567123200

https://backpack.tf/profiles/76561198337734785#!/compare/1569196800/1569369600

untrace

sale 6:

https://backpack.tf/profiles/76561198337734785#!/compare/1571270400/1571356800

https://backpack.tf/profiles/76561198386985323#!/compare/1571356800/1571443200

Sold for 12 keys

sale 7:

https://backpack.tf/profiles/76561198386985323#!/compare/1571443200/1571529600

https://backpack.tf/profiles/76561198080179568#!/compare/1571356800/1571443200

QS

sale 8:

https://backpack.tf/profiles/76561198093051516#!/compare/1568073600/1572393600

https://backpack.tf/profiles/76561198383660089#!/compare/1569024000/1570924800

SCM

Sale 9:

https://backpack.tf/profiles/76561198040998262#!/compare/1566086400/1570665600

https://backpack.tf/profiles/76561198068096229#!/compare/1564790400/1566691200

Untrace

sale 10:

https://backpack.tf/profiles/76561198174890191#!/compare/1568073600/1568160000

https://backpack.tf/profiles/76561198817270631#!/compare/1568073600/1568160000

Untrace, keys?

Sale 11:

https://backpack.tf/profiles/76561198817270631#!/compare/1568073600/1568160000

https://backpack.tf/profiles/76561198038142758#!/compare/1568073600/1568160000

Sold with ~2 keys in sweets for KaW Scopers

Scopers Mini:

https://backpack.tf/suggestion/5db96760d381721ef244f697

Suggestion for 12 keys

Total is 10 keys

Sale 12:

https://backpack.tf/profiles/76561198038142758#!/compare/1568592000/1568678400

https://backpack.tf/profiles/76561198211983245#!/compare/1568592000/1568678400

Sold for CPs Noir

Noir Mini:

https://backpack.tf/suggestion/5db965c2d381721fd65dfff2

Suggestion for 15.5 keys

Sale 13:

https://backpack.tf/profiles/76561198370743471#!/compare/1570924800/1571011200

https://backpack.tf/profiles/76561198201052118#!/compare/1570665600/1572393600

Untrace

Sale 14:

https://backpack.tf/profiles/76561197972383519#!/compare/1567728000/1567900800

https://backpack.tf/profiles/76561197972383519#!/compare/1567728000/1567900800

Untrace

sale 15:

https://backpack.tf/profiles/76561198057957692#!/compare/1570406400/1570492800

https://backpack.tf/profiles/76561198325261992#!/compare/1570406400/1570492800

Sold for 8 keys

Sale 16:

https://backpack.tf/profiles/76561198325261992#!/compare/1570406400/1570492800

https://backpack.tf/profiles/76561198104628963#!/compare/1570320000/1570492800

Bulk

sale 17:

https://backpack.tf/profiles/76561198104628963#!/compare/1570320000/1570492800

$37.45 / $1.83 = 20.46 keys

https://backpack.tf/item/1899547567

Total sales @:

8, 9, 10, 12, 12, 15.5, 20.46 keys

buyers up to ~8.5 keys,

unsolds for 12 keys,

calling 8 low,

20 high,

K1ng's Part:

Sale at 10 will be 11 with the fixed Scopers price. With that in mind, and given that it has been unsold at 12 for a long time this should be 11-12 instead:

https://bot.tf/stats/listings/Y35368RR

https://bot.tf/stats/listings/46NX3N30