Flipping Out

https://backpack.tf/item/1885738384

Sale 1) Sold for ~14 Keys of Items

https://backpack.tf/profiles/76561198149012607#!/compare/1508457600/1508630400

Sale 2) Sold for a Dead Presidents Lord Cockswain's Pith Helmet + ~0.75 Key of Items

https://backpack.tf/profiles/76561198193389166#!/compare/1508976000/1509062400

I can't find a Mini for the Pith Helmet. There's a Seller at 11 Keys at the moment which would make this sale 12 Keys.

Sale 3) Sold for ~12 Keys of Items

https://backpack.tf/profiles/76561198187823338#!/compare/1509580800/1509667200

Sale 4) Sold for a Silver Cyclone Deep Fried Desire

https://backpack.tf/profiles/76561198123899074#!/compare/1510617600/1510704000

This sale was used to price the Deep Fried.

Sale 5) Sold for 10 Keys

https://backpack.tf/profiles/76561198286257338#!/compare/1511740800/1511827200

Low Outlier.

Sale 6) Quicksold for 11 Keys

https://backpack.tf/profiles/76561198112441975#!/compare/1511654400/1511827200 - Buyer's Backpack

Including this in the range because of the Sellers below.

https://backpack.tf/item/1817845656

Sale 7) Sold + Terror-Watt Carouser's Capotain for a Hellish Inferno Carlton

https://backpack.tf/profiles/76561198274783821#!/compare/1512000000/1512086400

Bulk sale.

https://imgur.com/a/nqzRa - Valid Sellers at 11 - 12 Keys, including one that's 3 Months old. These suggest 14 Keys is too high.