Thanks to DiamondJozu and Alberny for the help

Sale 1

http://backpack.tf/profiles/76561198169316982#!/compare/1487376000/1487462400

http://backpack.tf/profiles/76561198083559832#!/compare/1487376000/1487462400

Sold with ~2 keys in sweets for Tesla Hiveminder

=28.5 (rounding to 29)

Sale 2

http://backpack.tf/profiles/76561198037682495#!/compare/1485907200/1486080000

Sold w/ Strange All-Father for Powersurge Bonk Helm

=33.25 (rounding to 33)

-not counting this sale because Bonk Helm has super outdated price and not too many trackable recent sales

This hat hasn't sold much recently, so this should be enough.

Minis

http://backpack.tf/suggestion/58ab139ec4404517d10f6994 Tesla Hive