When Dr. Seuss gets high.

https://backpack.tf/item/956634581

Sale 1) Sold for 23 Keys

https://backpack.tf/profiles/76561198080179568#!/compare/1496620800/1496707200 - Seller's Backpack

https://backpack.tf/profiles/76561198193468118#!/compare/1496620800/1496707200 - Buyer's Backpack

http://i.imgur.com/XjvVuWE.png - Thanks, Julia

Sale 2) Sold for 24 Keys + 7 Refined

https://backpack.tf/profiles/76561198193468118#!/compare/1497916800/1498176000

Rounds to 24 Keys

Sale 3) Sold for a Strange Tesla Coil Nasty Norsemann

https://backpack.tf/profiles/76561198317206110#!/compare/1499472000/1499644800

Was used to price the Norsemann.

Sale 4) Quicksold for 17 Keys

https://backpack.tf/profiles/76561198283993462#!/compare/1499558400/1499644800 - Buyer's Backpack

Sale 5) Sold for a Strange Kill-a-Watt Napoleon Complex + 14 Keys

https://backpack.tf/profiles/76561198283993462#!/compare/1499644800/1499731200

http://www.tf2outpost.com/trade/29269167 - Capped by the Buyout of 30 Keys.

High Outlier.

https://backpack.tf/item/723207532

Sale 6) Sold for a Morning Glory Letch's LED

https://backpack.tf/profiles/76561198042502563#!/compare/1499040000/1499212800

This sale was used to price the LED.

Sale 7) Sold for 21 Keys + ~1 Key of Refined

https://backpack.tf/profiles/76561198263554272#!/compare/1499212800/1499472000

21 + 1 = 22 Keys

Sale 8) Sold for a Blizzardy Storm Human Cannonball (22.5 Keys) + Strange Widowmaker (1.25 Keys) + 1 Key

https://backpack.tf/profiles/76561198097734154#!/compare/1502755200/1502841600

22.5 + 1.25 + 1 = 24.75, which rounds to 25 Keys

https://backpack.tf/item/961919091

Sale 9) Sold for a Miami Nights Noble Nickel Amassment of Hats

https://backpack.tf/profiles/76561198234339160#!/compare/1499299200/1499385600 - Buyer's Backpack

Fits in the range or is low.

Noble Mini

http://imgur.com/a/teVa0 - Sellers from 19 Keys and up. If I take 19, the sale is low. If I take 25 or lower, the sale fits in the range.

Sale 10) Sold for a Massed Flies Infernal Impaler + Haunted Ghosts Bloke's Bucket Hat

https://backpack.tf/profiles/76561198289352210#!/compare/1499990400/1500163200

High Outlier.