ty shuffle

https://backpack.tf/item/7956468204

Sale 1) Bulk sale

https://backpack.tf/profiles/76561198074509756#!/compare/1589760000/1590969600

Sale 2) Sold for 90 Keys

https://backpack.tf/profiles/76561198129205357#!/compare/1592179200/1592265600

https://steamuserimages-a.akamaihd.net/ugc/1286291105823950843/3256546640A6C5FE49977555C6FC85C822361767/

https://backpack.tf/item/7956403581

Sale 3) "Upgrade" for a Duped Spelled Burning Flames Desert Marauder

https://backpack.tf/profiles/76561198130564218#!/compare/1586822400/1586908800

Excluding.

Sale 4) Sold for 90 Keys

https://backpack.tf/profiles/76561198078313907#!/compare/1586908800/1589760000

Sale 5) Sold for $96.07

https://marketplace.tf/items/tf2/400;5;u13

Low

Sale 6) Sold for $179.99

https://marketplace.tf/items/tf2/400;5;u13

https://imgur.com/a/ahJkFJg - Capped by the buyout of 90 Keys

Sale 7) Sold for $90.07

https://marketplace.tf/items/tf2/400;5;u13

Low

Sale 8) Sold for $189 when Keys were $2

https://marketplace.tf/items/tf2/400;5;u13

189 / 2 = 94.5, which rounds to 95 Keys

It looks like the buyer in sale 4 dumped it to a buy order in sale 5 (as well as 6 and 7), so those sales are excluded.