Gengas Khan

https://backpack.tf/item/1736292643

Sale 1) Sold for 8 Keys

https://backpack.tf/profiles/76561198140624153#!/compare/1534032000/1534118400

Sale 2) Sold + 2 Keys for a Bubbling Tippler's Tricorne (10 Keys)

https://backpack.tf/profiles/76561198278367889#!/compare/1535673600/1535760000

10 - 2 = 8 Keys

https://backpack.tf/item/845175347

Sale 3) Sold for 7 Keys?

https://backpack.tf/profiles/76561198149286139#!/compare/1537056000/1537142400

Some Refined was probably included. Low outlier without knowing.

Sale 4) Sold for 7 Keys

https://backpack.tf/profiles/76561198066901628#!/compare/1537488000/1537574400

Low outlier.

Sale 5) Sold for 8 Keys

https://backpack.tf/profiles/76561198103971429#!/compare/1537574400/1537660800

Sale 6) Quicksold for 7 Keys + 2 Refined to a quickbuy order

https://backpack.tf/profiles/76561198273866103#!/compare/1537660800/1537747200

https://marketplace.tf/items/313;5;u36 - Sold for $17.49 when Keys were ~$1.90 each (9.2 Keys)

High outlier.

https://imgur.com/a/0xIA3FI - 2 Month Unsold at 8.4 Keys and a 6 Month Unsold at 9 Keys. Buyers at ~7.06 Keys

https://backpack.tf/item/845175347 - 8.4 Key Seller

https://backpack.tf/item/1467500094 - 9 Key Seller

https://backpack.tf/u/76561198006544512 - Buyer #1

https://backpack.tf/u/76561198337734785 - Buyer #2

https://backpack.tf/u/76561198312583107 - Buyer #3

https://backpack.tf/u/76561198126679929 - Buyer #4

https://backpack.tf/u/76561198048851745 - Buyer #5