"I'm currently constructing a machine that'll do the price suggestions for us. Wait, wdym there's already a machine for that?"

Cleaning up old prices

Marketplace.tf

https://marketplace.tf/items/605;5;u17

Key prices based on http://manicbot.me/keyprice.txt

399.99$ / 1.96$ = 204 keys = 200 keys

Backpack.tf

Sale 1:

Sold with 5 keys for a Harvest Moon Dr's Dapper Topper (195 keys)

https://backpack.tf/profiles/76561198072573105#!/compare/1526169600/1526256000

https://backpack.tf/profiles/76561198094183864#!/compare/1526169600/1526256000

195 keys - 5 keys = 190 keys

Sellers/Buyers: https://imgur.com/a/NUG81wp

Most of them are too young to be used as a cap. One guy is at 260 unsold for 6 months but it's above the price range.

Sales: 190 / 204

Taking 190-200 keys.

Provide supplemental proof, counter proof or report recent sales for this hat in the comments!

Have a nice day!