I'm a dumb dumb.

https://backpack.tf/item/6862810191

Sale 1) Sold for a Steaming Hermes (11 Keys) + Smoking Handyman's Handle (8.5 Keys) + 2 Keys + ~1 Key of Items + ~1 Key of Refined

https://backpack.tf/profiles/76561198165055074#!/compare/1529280000/1529366400

High outlier.

Sale 2) Sold for a Starstorm Slumber Bot Dogger (19 Keys)

https://backpack.tf/profiles/76561198336633071#!/compare/1532476800/1532649600

https://backpack.tf/profiles/76561198055622215#!/compare/1532563200/1532649600

The Dogger was bulk-bought for the Minigun -> https://backpack.tf/profiles/76561198112155547#!/compare/1530921600/1532649600

http://www.tf2outpost.com/user/76561198336633071 - no B/O

Sale 3) Sold for 19 Keys

https://backpack.tf/profiles/76561198027260891#!/compare/1530144000/1531353600

https://backpack.tf/profiles/76561198214513491#!/compare/1530403200/1530576000

Sale 4) Sold for 21 Keys

https://backpack.tf/profiles/76561198214513491#!/compare/1529971200/1530230400

https://backpack.tf/profiles/76561197961643548#!/compare/1529971200/1530057600

High outlier as this was resold above for 19 Keys.

https://gyazo.com/2739c57f5a9fbd1417b7c5dbfa666912 - Scrap.tf is selling this at 16.5 Keys, which rounds to 17 Keys

https://gyazo.com/df89f1cc19748c12f32306e0d23f9366 - Seller at 19.3 Keys, 20 Keys (20 days old), 22 Keys, and 25 Keys (2 months)