https://marketplace.tf/items/tf2/30140;5;u56

September 11 - $354.99 = 197 keys https://backpack.tf/item/2393867753

October 9 - $359.99 = 201 keys https://backpack.tf/item/3234559462 (duped)

https://backpack.tf/profiles/76561197970770340#!/compare/1570752000/1570838400

https://backpack.tf/profiles/76561198042528264#!/compare/1570838400/1571356800

https://bot.tf/stats/listings/4W6J9JWZ (Also shown here - Duped buyout at 180 before listing on tradeit.gg)

229 or 230 keys

https://backpack.tf/profiles/76561197970770340#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198057452720#!/compare/1566604800/1566691200

106.5 keys & refined, Cauldron Bubbles Pencil Pusher + Vicious Circle Highway Star

The Cauldron Pencil later sold for ~126 keys worth. https://backpack.tf/suggestion/5dac1da96780720505799d06

https://bot.tf/stats/listings/M0DXPQOZ Buyout was 222 keys.

https://backpack.tf/profiles/76561198057452720#!/compare/1564531200/1564617600

https://backpack.tf/suggestion/5d6704f2d38172068974f682

Bulk for Blizzardy Coffin Kit and already used there

Sales:

197

201 (Duped)

222

229-230

Sellers:

Duped currently on tradeit.gg for $460.00

https://i.imgur.com/xIJw30c.png

Going with 200-230 keys.