Precision Treatment

https://backpack.tf/item/5136254295

Sale 1) ?

https://backpack.tf/profiles/76561198101926396#!/compare/NaN/1545609600

https://backpack.tf/item/6498645946

Sale 2) Sold for $69.83 when Keys were ~$1.76 each

https://marketplace.tf/items/30786;5;u58

https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key

69.83 / 1.76 = 39.68, which rounds to 40 Keys

https://backpack.tf/item/7362261217

Sale 3) Bulk sale for a Purple Energy Gauzed Gaze

https://backpack.tf/profiles/76561198041108750#!/compare/1547251200/1547337600

https://backpack.tf/profiles/76561198028188341#!/compare/1547251200/1547596800

https://backpack.tf/item/4864579655

Sale 4) Bulk sale for a Cloud 9 Exquisite Rack

https://backpack.tf/profiles/76561198101657879#!/compare/1541894400/1541980800

Sale 5) ?

https://backpack.tf/profiles/76561198128141636#!/compare/1547510400/1547596800

https://backpack.tf/profiles/76561198052665106#!/compare/1547510400/1547596800

https://marketplace.tf/items/30786;5;u58 - Also sold for $50.20, $55, $60, $46, $46.02, and $78.75

Keys were $1.76, $1.73, $1.73, $1.72, $1.71, and $1.76 respectively.

That makes the sales 29 Keys, 32 Keys, 35 Keys, 27 Keys, 27 Keys, and 45 Keys.

Calling 27 Keys and 29 Keys low as they're close to Buyers at 25 Keys ---> https://imgur.com/a/rB21YPD

https://backpack.tf/u/76561198052665106

https://backpack.tf/u/76561198337734785

https://backpack.tf/u/76561198295122993