Bust a cap

https://backpack.tf/item/7505668044

Sale 1) Sold for $44.44 when Keys were ~$1.79 each

https://marketplace.tf/items/tf2/5021;6

44.44 / 1.79 = 24.83, which rounds to 25 Keys

High outlier.

https://backpack.tf/item/7446958411

Sale 2) ?

https://backpack.tf/profiles/76561198089922529#!/compare/1561248000/1561593600

Sale 3) Sold for 17 Keys

https://backpack.tf/profiles/76561198358482558#!/compare/1561766400/1561939200

https://backpack.tf/profiles/76561198212216969#!/compare/1561593600/1561939200

IDs match.

https://backpack.tf/item/7516128304

Sale 4) Sold for 18 Keys

https://backpack.tf/profiles/76561198021272428#!/compare/1558224000/1558396800

Sale 5) Bulk sale for a Death at Dusk Well-Rounded Rifleman

https://backpack.tf/profiles/76561198060616510#!/compare/1558915200/1559001600

Sale 6) ?

https://backpack.tf/profiles/76561198118512004#!/compare/1558915200/1559001600

https://backpack.tf/profiles/76561198028171245#!/compare/1558656000/1558915200

Sale 7) ?

https://backpack.tf/profiles/76561198028171245#!/compare/1559088000/1559174400

https://backpack.tf/profiles/76561198036809314#!/compare/1559088000/1559606400

https://backpack.tf/item/7423746935

Sale 8) Bulk sale for a Burning Flames German Gonzila

https://backpack.tf/profiles/76561198116080754#!/compare/1555804800/1555891200

Sale 9) ?

https://backpack.tf/profiles/76561198119634686#!/compare/1556064000/1556150400

https://backpack.tf/profiles/76561198010991677#!/compare/1556064000/1556150400

13 Keys match, but the Buyout was 17 with a buyer at 15, so this seems low -> https://imgur.com/a/fPPSS3t

Sale 10) Sold for 11 Keys

https://backpack.tf/profiles/76561198010991677#!/compare/1558483200/1558656000

Low outlier.

Sale 11) Sold for 18 Keys

https://backpack.tf/profiles/76561198341171690#!/compare/1559174400/1559260800

IDs match.

https://backpack.tf/item/7609854399

Sale 12) Sold for 15 Keys

https://backpack.tf/profiles/76561198120536897#!/compare/1554940800/1555027200

Sale 13) Sold for a Cloud 9 Mann of Reason (15 Keys)

https://backpack.tf/profiles/76561198139431507#!/compare/1559260800/1559347200

https://backpack.tf/profiles/76561198064309420#!/compare/1559260800/1559347200

Reason Mini

https://backpack.tf/suggestion/5d2233d7d381720278651f12 - 15 Keys

Sale 14) Sold for a Green Confetti Big Elfin Deal + 3 Keys

https://backpack.tf/profiles/76561198064309420#!/compare/1559433600/1559520000

This is being used for the Elfin.

Sale 15) Sold for a Searing Plasma Buckaroos Hat

https://backpack.tf/profiles/76561198322493688#!/compare/1559520000/1559606400

https://backpack.tf/profiles/76561198436496929#!/compare/1559260800/1559606400

Low outlier.

Sale 16) ?

https://backpack.tf/profiles/76561198436496929#!/compare/1559260800/1559606400

https://backpack.tf/profiles/76561198099621538#!/compare/1559520000/1559606400