Big Poppa

https://backpack.tf/item/4190753423

Sale 1) Sold for 11 Keys + negligible items

https://backpack.tf/profiles/76561198277409359#!/compare/1560384000/1560470400

Rounds to 11 Keys

Sale 2) Sold for 12 Keys

https://backpack.tf/profiles/76561198367998164#!/compare/1560470400/1560556800

https://backpack.tf/profiles/76561198119629072#!/compare/1560470400/1560556800

Sale 3) Sold for a Circling TF Logo Kiss King

https://backpack.tf/profiles/76561198119629072#!/compare/1562630400/1562716800

Using there.

Sale 4) Sold for an Orbiting Fire Outta' Sight (12.5 Keys)

https://backpack.tf/profiles/76561198055622215#!/compare/1564531200/1564790400

Rounds to 13 Keys

Outta' Sight Mini

https://backpack.tf/profiles/76561198117862088#!/compare/1563062400/1563148800 - Sold for a Bubbling Tavish Experience + ~0.25 Keys of Items

https://imgur.com/a/MpNKalz - zol's selling 2 Tavish's for 9 Keys each

https://backpack.tf/profiles/76561198212157296#!/compare/1563062400/1563148800 - Quicksold for 11 Keys + 10 Refined

https://backpack.tf/profiles/76561198394877897#!/compare/1563235200/1563321600 - Sold for a Bubbling Samur-Eye (12 Keys) + ~4 Keys of Items

https://backpack.tf/profiles/76561198067699902#!/compare/1564185600/1564358400 - Sold for 10 Keys

https://backpack.tf/profiles/76561198067699902#!/compare/1564617600/1564790400 - Sold for 13 Keys

https://backpack.tf/profiles/76561198055622215#!/compare/1565827200/1566000000 - Sold for 14 Keys

Calling 9/10 low because of the quicksell at 11, but including 11 because of the 2 lower sales. Also calling 16 high because of all the lower sales.

Taking 11 - 14 Keys.

Bubbling Samur-Eye Micro

https://backpack.tf/profiles/76561197995376241#!/compare/1566777600/1566864000 - Sold for 12 Keys

This is realistically lower, but I can't find any lower sales.

Sale 5) ?

https://backpack.tf/profiles/76561198101758127#!/compare/1565136000/1565222400

https://backpack.tf/profiles/76561198045527771#!/compare/1563580800/1565136000

Sale 6) ?

https://backpack.tf/profiles/76561198045527771#!/compare/1565136000/1565222400

https://backpack.tf/profiles/76561198069493147#!/compare/1565136000/1565222400

Sale 7) Sold for a Memory Leak Your Worst Nightmare

https://backpack.tf/profiles/76561198069493147#!/compare/1565308800/1565395200

https://imgur.com/a/rSMLidc - Capped by the Buyout of 16 Keys

High outlier.

https://backpack.tf/item/4966572283

Sale 8) Sold for 10 Keys

https://backpack.tf/profiles/76561198070904810#!/compare/1564531200/1564704000

https://backpack.tf/profiles/76561198389689295#!/compare/1564617600/1564704000

Sale 9) Quicksold for 10 Keys

https://backpack.tf/profiles/76561198389689295#!/compare/1564617600/1564704000

https://backpack.tf/profiles/76561198106795971#!/compare/1563321600/1564704000

Sale 10) Bulk sale for a Purple Confetti Merc's Mohawk

https://backpack.tf/profiles/76561198106795971#!/compare/1564704000/1564790400

https://backpack.tf/profiles/76561198280411924#!/compare/1564617600/1564704000

Sale 11) Sold for a Circling Peace Sign Archer's Sterling (9 Keys)

https://backpack.tf/profiles/76561198280411924#!/compare/1564617600/1564704000

https://backpack.tf/profiles/76561198149214434#!/compare/1564617600/1564704000

Low outlier.

Sale 12) Sold for an Orbiting Fire Carouser's Capotain (9 Keys) + 1 Key

https://backpack.tf/profiles/76561198149214434#!/compare/1564704000/1564790400

https://backpack.tf/profiles/76561198134902030#!/compare/1564704000/1564790400

9 + 1 = 10 Keys

Capotain Mini

https://backpack.tf/profiles/76561198971171406#!/compare/1565308800/1565395200 - Sold for 8 Keys

https://backpack.tf/profiles/76561198062727443#!/compare/1565222400/1565308800 - Sold for 9 Keys

https://marketplace.tf/items/tf2/259;5;u33 - Sold for $19.99

https://imgur.com/a/SSgK82k - The $19.99 sale is capped by the Buyout of 10 Keys

https://imgur.com/a/yD8q7ND - Sellers at 9 to 9.5 Keys

https://backpack.tf/item/1422634128

https://backpack.tf/item/1786504720

https://backpack.tf/item/1100421075

Sale 13) Sold for an Australium Force-a-Nature (9.5 Keys) + Strange Head Warmer (~4.4 Keys) + Mega Strike Battin' a Thousand

https://backpack.tf/profiles/76561198134902030#!/compare/1564790400/1564876800

https://imgur.com/a/YMsrBZ1 - Capped by the Buyout of 15 Keys

https://marketplace.tf/items/tf2/30002;5;u29 - Sold for $29 (15.85 Keys), $21.99 (12.08 Keys), $16.07 (8.83 Keys), and $27.56 (14.98 Keys)

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

https://backpack.tf/item/3108700165 - Not including $29 because the buyer sold for $21.99

Rounding 12.08 to 12 Keys

Calling 9 low because of a buyer at 9 and there being 5 sales at 9 - 10. Calling 15 and 16 high because of all the lower sales.

https://imgur.com/a/aClACv5 - Buyer at 9

https://backpack.tf/u/76561198021055079