History 1: https://backpack.tf/item/8965799164

tradebacks

definitely traded before it was unusualified:

https://backpack.tf/profiles/76561198116848524#!/compare/1603670400/1603756800

Untraceable:

https://backpack.tf/profiles/76561198858649716#!/compare/1604448000/1607817600

https://backpack.tf/profiles/76561198345436872#!/compare/1604707200/1604793600

History 2: https://backpack.tf/item/3991130185

Could be the Marketplace.tf sale even though dates aren't exactly in-line

Untraceable:

https://backpack.tf/profiles/76561197963500354#!/compare/1607299200/1607385600

https://backpack.tf/profiles/76561198370800561#!/compare/1606867200/1607817600

History 3: https://backpack.tf/item/3077336294

Appears as sold on Marketplace.tf but nothing logged

History 4: https://backpack.tf/item/2975236001

5 keys 3 ref:

https://backpack.tf/profiles/76561197998058434#!/compare/1603843200/1603929600

https://backpack.tf/profiles/76561198402009056#!/compare/1603756800/1603843200

Other two sales are tradebacks

History 5: https://backpack.tf/item/2700688412

Untraceable:

https://backpack.tf/profiles/76561198326070127#!/compare/1604448000/1604534400

https://backpack.tf/profiles/76561197968968337#!/compare/1604361600/1604448000

~~~~

Marketplace.tf sale: https://marketplace.tf/items/tf2/1117;5;u3039

November 20: $11.95/1.75=6.83 ~7 keys

Sales at 5 and 7, taking a range of 5-7 keys