A Party on your Head

https://backpack.tf/item/2286786765

Sale 1) Sold for 10 Keys + FoD Oblooterated (Seller at 6 Keys)

https://backpack.tf/profiles/76561198317606171#!/compare/1527544800/1527631200

High outlier.

Sale 2) Sold for $37.9 when Keys were $1.97

https://marketplace.tf/items/732;5;u62

High outlier.

https://backpack.tf/item/2335754953

Sale 3) Sold for 14 Keys + 5 Refined

https://backpack.tf/profiles/76561198286689467#!/compare/1525046400/1525392000

Rounds to 14 Keys

https://backpack.tf/item/2423906067

Sale 4) Sold for 13 Keys + 17 Refined

https://backpack.tf/profiles/76561198059421060#!/compare/1527120000/1527292800

Rounds to 14 Keys

https://backpack.tf/item/3012524285

Sale 5) Quicksold for 14 Keys + 1 Refined

https://backpack.tf/profiles/76561197980830714#!/compare/1529366400/1529452800

Rounds to 14 Keys

Sale 6) Sold for 15 Keys

https://backpack.tf/profiles/76561198144919311#!/compare/1530057600/1530144000

https://imgur.com/a/jwEHm5o

https://backpack.tf/item/3223139961

Sale 7) Sold for 14 Keys + 1 Refined

https://backpack.tf/profiles/76561198041902665#!/compare/1528934400/1529020800

Rounds to 14 Keys

https://backpack.tf/item/4487480148

Sale 8) Sold for 13 Keys + 17 Refined

https://backpack.tf/profiles/76561198154182487#!/compare/1526342400/1526428800

Rounds to 14 Keys

Sale 9) Sold for 15 Keys

https://backpack.tf/profiles/76561198163787164#!/compare/1526256000/1526342400

https://imgur.com/a/jwEHm5o

https://backpack.tf/item/1773578890

Sale 10) Sold for 15 Keys

https://backpack.tf/profiles/76561198443937092#!/compare/1528934400/1529107200

https://imgur.com/a/jwEHm5o

https://imgur.com/a/RUie2oe - 15 Day Seller at 15 Keys, 23 Day Seller at 15 Keys, 7 Day Seller at 15 Keys, and a 21 Day Seller at 15 Keys

https://backpack.tf/item/1773578890

https://backpack.tf/item/3223139961

https://backpack.tf/item/3012524285

https://backpack.tf/item/2286786765

I neglected to use the sales at 13 Keys in the bot.tf screenshot because of how easily this thing sold for 14 - 15 Keys.

The Unsolds at 15 Keys rule Sales 1 and 2 high.