I failed to note the seller.

Update!

Sale 1: https://backpack.tf/profiles/76561198117256239#!/compare/1566259200/1566950400

https://backpack.tf/profiles/76561198091015050#!/compare/1566864000/1566950400

Appears to be qs.

Sale 2: https://backpack.tf/profiles/76561198091015050#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198306288794#!/compare/1567296000/1567382400

No other sales there.

Sale 3: https://backpack.tf/profiles/76561198306288794#!/compare/1568678400/1568851200

https://backpack.tf/profiles/76561198066501392#!/compare/1568678400/1568851200

?

Sale 4: https://backpack.tf/profiles/76561198057259891#!/compare/1566950400/1567123200

https://backpack.tf/profiles/76561198002757046#!/compare/1567036800/1567123200

https://backpack.tf/suggestion/5d6dfea267807244a313573d - was used here.

Sale 5: https://backpack.tf/profiles/76561198057259891#!/compare/1566691200/1566777600

https://backpack.tf/profiles/76561198306288794#!/compare/1566691200/1566777600

Sold for a clean Scorching Flames Conjurer's Cowl (118 keys) + 44 in adds.

118 + 44 = 162

Mini for the Cowl: https://backpack.tf/suggestion/5dd25cf267807255f40fbf93

Sale 6: https://marketplace.tf/items/tf2/390;5;u14 - 309.99/1.83 = ~169

https://backpack.tf/item/495181498

Additional by Minda:

You should probably acknowledge this 3 week old(arguably older) clean seller at 140 Keys:

https://cdn.discordapp.com/attachments/466456657187176448/646027887157313547/unknown.png

https://backpack.tf/item/4682815678

140-170.