Spooky Night : I see you.

Sale 1 : https://backpack.tf/profiles/76561198841279602#!/compare/1559174400/1559260800

Sold for 6 keys pure.

Sale 2 : https://backpack.tf/profiles/76561198024867201#!/compare/1560556800/1560729600

Untraceable.

Sale 3 : https://backpack.tf/profiles/76561198150579599#!/compare/1562457600/1562544000

Untraceable

Sale 4 : https://backpack.tf/profiles/76561198048792033#!/compare/1562716800/1563062400

idk, scm maybe.

Sale 5 : given to a scammer https://backpack.tf/item/4835635066

Marketplace.tf sales

Sold for 11$ on Aug 20. / keys at the time was 1.84 = 5.98 keys ~ 6 keys https://manic.tf/keyprice/?at=2019-08-20

https://backpack.tf/item/2765106436

Sold for 11$ 2x times on Jul 14. / keys at the time was 1.82 = 6.04 keys ~ 6 keys https://manic.tf/keyprice/?at=2019-07-14

https://backpack.tf/item/6527076510

Sold for 10.39$ on Jul 5. / keys at the time was 1.85 = 5.62 keys ~ 5.5 keys https://manic.tf/keyprice/?at=2019-07-05

https://backpack.tf/item/4720899499

Sales are 6, 6, 6, 5.5

Going with 5.5-6 keys