I have a dream of becoming a hibachi chef.

1 of 1 Knifestorm Pyromancer's Mask

Sale 1: Sold for a Scorching Flames Salty Dog (455, out of date, listed for 500). No buyout according to the buyer. https://backpack.tf/profiles/76561198144322309#!/compare/1521590400/1523232000

Sale 2: Sold for a Burning Pyromancer's Mask, a Burning Large Luchadore, and 50 keys. https://backpack.tf/profiles/76561198131577298#!/compare/1523836800/1523923200

(Keys don't show in compare link, screenshot of trade: https://i.imgur.com/fEvc3Gp.png)

265 + 195 + 50 = 510 keys. B/O caps to 450: https://i.imgur.com/MvrAYyp.png

Taking 450