Sale 1:

Sold for Bubbling Bombing Run (Mini at less than 8.5 below) + 2 keys

No outpost

Seller: https://backpack.tf/profiles/76561198179712943#!/compare/1507680000/1507766400

Buyer: https://backpack.tf/profiles/76561198127866020#!/compare/1506729600/1507766400

X = 10

Sale 2:

Sold for 9 keys

Seller: https://backpack.tf/profiles/76561198394823128#!/compare/1510617600/1510704000

Buyer: https://backpack.tf/profiles/76561198352579619#!/compare/1510617600/1510704000

X = 9

Sale 3:

Sold for ~7 keys in pure/items

Seller: https://backpack.tf/profiles/76561198202400620#!/compare/1505174400/1505433600

Buyer: https://backpack.tf/profiles/76561198193861449#!/compare/1505347200/1505433600

This’ll be way too low. Excluding.

Sale 4:

Sold for Blizzardy Storm Data Mining Light

No outpost

Seller: https://backpack.tf/profiles/76561198158482500#!/compare/1505606400/1505692800

Buyer: https://backpack.tf/profiles/76561198047344285#!/compare/1505692800/1505865600

This will be way too high without a B/O cap. I’ve sold one of these for ~15 keys worth. Excluding.

Sale 5:

Bulk for Lantern Snaggletooth

Seller: https://backpack.tf/profiles/76561197998374145#!/compare/1507507200/1507593600

Buyer: https://backpack.tf/profiles/76561198314160142#!/compare/1507507200/1507593600

Sale 6:

Bulk for Stormy Combustible Kabuto

Seller: https://backpack.tf/profiles/76561198127866020#!/compare/1507852800/1507939200

Buyer: https://backpack.tf/profiles/76561198054293610#!/compare/1507852800/1507939200

Sale 7:

Sold for Aces High Brain-Warming Wear

No outpost

Seller: https://backpack.tf/profiles/76561198136776035#!/compare/1507680000/1507766400

Buyer: https://backpack.tf/profiles/76561198179712943#!/compare/1507680000/1507766400

Probably better to use on the Brain, especially with no B/O cap here.

Bubbling Magistrate’s Mullet:

5 sellers for less than 8.5

https://i.imgur.com/SI5wXLG.png

https://backpack.tf/item/1272928751 - 17 days

https://backpack.tf/item/4657155921 - 14 days

https://backpack.tf/item/2753095804 - ~2.5 months

https://backpack.tf/item/5091378540 - ~2.5 months

https://backpack.tf/item/881861733 - ~2.5 months

Should be enough proof that this thing won’t go over 8.5 keys.

Sellers:

9 keys:

http://www.tf2outpost.com/trade/29441981 - 1 week

Sales at:

9

10

Going with 9-10