Full gambling apart from Mista getting it through a mplc buy order.

https://backpack.tf/item/480325428

Sale #1-

Bulk for Circling Heart Virtual Viewfinder - Use there

https://backpack.tf/profiles/76561198148511293#!/compare/1559692800/1559779200

https://backpack.tf/profiles/76561198050509345#!/compare/1559606400/1559779200

Sale #2-

Bulk for Burning Flames Crone's Dome - Use there

https://backpack.tf/profiles/76561198050509345#!/compare/1559606400/1559779200

https://backpack.tf/profiles/76561198054198170#!/compare/1559692800/1559779200

Sale #3-

Sold for Burning Flames Wraith Wrap -Using there

https://backpack.tf/profiles/76561198054198170#!/compare/1561420800/1561507200

https://backpack.tf/profiles/76561198027063074#!/compare/1561334400/1561507200

Sale #4-

Sold for Harvest Moon Rotation Sensation (indate at 350 Keys)

https://backpack.tf/profiles/76561198076259234#!/compare/1561420800/1561593600

https://backpack.tf/profiles/76561198027063074#!/compare/1561507200/1561593600

Sale #5-

Sold with 42 Keys for Galactic Gateway Defragmenting Hard Hat 17% (indate at 320 Keys)

https://backpack.tf/profiles/76561198054198170#!/compare/1561507200/1561680000

https://backpack.tf/profiles/76561198076259234#!/compare/1561593600/1561680000

320 - 42 = 278 Keys

Sale #6-

https://marketplace.tf/items/tf2/378;5;u9 / https://backpack.tf/item/480325428

$355 / $1.84 = 192.93 keys - Rounding to 193 Keys

Sales at 193/278/350

The 193 Keys sale is a buy order sale on mplc excluding.

The sale at 278 Keys took a day, not a afan of using in range but supports a drop, going with the conservative approach and using 350 Keys flat.