3 sales.

1/1 with a green black hole Pyromancer's mask

https://backpack.tf/profiles/76561198082940868#!/compare/1576108800/1576368000

gbh pyromancer has an open suggestion at 450.

$400 on mp.tf

https://marketplace.tf/items/tf2/627;5;u80

Keys were $1.70, 400/1.70 = ~235

Excluding as it sold in under a day.

Magnetic hat protector Space Mann, Nebula Universal Translator, and 205 keys.

https://backpack.tf/profiles/76561198306288794#!/compare/1571011200/1571356800

https://backpack.tf/profiles/76561198035785804#!/compare/1570924800/1571356800

Space Mann is indate at 95 keys, Translator is indate at 130. The sale adds up to 430 keys.

It's the only one to move in a while. I'm not planning on reselling any time soon.