Deja Vu.

Sale 1:

https://backpack.tf/profiles/76561198012659809#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198323565601#!/compare/1566086400/1566172800

QS

Sale 2:

https://backpack.tf/profiles/76561198377607948#!/compare/1570147200/1570579200

https://backpack.tf/profiles/76561198120724941#!/compare/1570147200/1570838400

https://backpack.tf/profiles/76561198377607948#!/compare/1570752000/1570924800

Tradeback

Sale 3:

https://backpack.tf/profiles/76561198377607948#!/compare/1570924800/1571011200

https://backpack.tf/profiles/76561198341171690#!/compare/1570924800/1571011200

QS

Sale 4:

https://backpack.tf/profiles/76561198886497704#!/compare/1564617600/1564704000

https://backpack.tf/profiles/76561198271577665#!/compare/1564617600/1564704000

Sold for C9 Elite

use there

Sale 5:

https://backpack.tf/profiles/76561198271577665#!/compare/1565654400/1565827200

https://backpack.tf/profiles/76561198337982050#!/compare/1565740800/1565827200

Sold for ~9.5 keys in sweets

Sale 6:

https://backpack.tf/profiles/76561198337982050#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198258932668#!/compare/1566000000/1566086400

sold for KaW Ponytail

Pony Mini:

https://backpack.tf/suggestion/5db64efb67807209977324aa

Suggestion for 9.25 keys

Sale 7:

https://backpack.tf/profiles/76561198258932668#!/compare/1566086400/1566691200

https://backpack.tf/profiles/76561198118090662#!/compare/1566604800/1566691200

Untrace

Sale 8:

https://backpack.tf/profiles/76561198118090662#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198027157437#!/compare/1566518400/1566691200

Sold for keys, probably 13, but cannot prove.

Sale 9:

https://backpack.tf/profiles/76561198341171690#!/compare/1571875200/1571961600

https://backpack.tf/profiles/76561198442218271#!/compare/1571875200/1571961600

Sold for 8 keys

Sale 10:

https://backpack.tf/profiles/76561198442218271#!/compare/1572048000/1572134400

https://backpack.tf/profiles/76561198329626897#!/compare/1572134400/1572220800

Can trace ~6 keys

Total sales @:

8, 9.25, 9.5 keys

seller of 2 unsold at 8 for ~2 weeks: (one did sell, Sale 9)

https://i.imgur.com/lhVcz7p.png

taking 8 - 9.5 keys