Sale 1:

Sold for Strange Dead Presidents Airdoggo (Mini at 16 below) + > 1 key in metal/items

http://www.tf2outpost.com/trade/29368048 - B/O of 16

Seller: https://backpack.tf/profiles/76561198113853563#!/compare/1505520000/1505606400

Buyer: https://backpack.tf/profiles/76561198083506895#!/compare/1505520000/1505606400

X = 16 (Capped by B/O)

Sale 2:

Sold for Strange Pro. KS Shotgun (5)

No outpost

Seller: https://backpack.tf/profiles/76561198230597672#!/compare/1507334400/1507680000

Buyer: https://backpack.tf/profiles/76561198098367344#!/compare/1507507200/1507680000

X = 5

Sale 3:

Sold for Circling Peace Sign Brain-Warming Wear

Seller: https://backpack.tf/profiles/76561198137228550#!/compare/1503532800/1503964800

Buyer: https://backpack.tf/profiles/76561198086346739#!/compare/1503878400/1503964800

Sellers on the Brain for less than what quickbuyers are willing to pay for the Fed. Excluding this sale.

Sale 4:

Sold with 5 keys for Planets Salty Doggo

Seller: https://backpack.tf/profiles/76561198086346739#!/compare/1504224000/1504310400

Buyer: https://backpack.tf/profiles/76561198113853563#!/compare/1504224000/1504310400

Should be used on the Doggo.

Strange Dead Presidents Airdog Mini:

Sold for Dead Presidents Wet Works (15.5)

https://i.imgur.com/JL6Bl2R.png - B/O of 16

Seller: https://backpack.tf/profiles/76561198206347444#!/compare/1507680000/1507766400

Buyer: https://backpack.tf/profiles/76561198067557593#!/compare/1507680000/1507766400

X = 16

Sellers:

16 keys:

https://i.imgur.com/QHI140U.png - 21 days

Sales at:

5

16

5 may be an outlier. Excluding 5.

Going with 16 flat.