I posted the last few on my phone and it was terrible.

Sale 1:

Sold for Cloud 9 Milkman (19)

http://www.tf2outpost.com/trade/28872727 - Deleted B/O

Seller: http://backpack.tf/profiles/76561197964171516#!/compare/1491868800/1491955200

Buyer: http://backpack.tf/profiles/76561198260587853#!/compare/1491868800/1491955200

X = 19

This'll be pretty high without a B/O cap

Sale 2:

Sold with 4 keys for Heart Handyman's Handle (18)

No outpost

Seller: http://backpack.tf/profiles/76561198055330779#!/compare/1492300800/1492387200

Buyer: http://backpack.tf/profiles/76561198309942981#!/compare/1492300800/1492387200

X = 14

Sale 3:

Sold for 9 keys + ~4 keys in taunts/items

Seller: http://backpack.tf/profiles/76561198187352295#!/compare/1492473600/1492560000

Buyer: http://backpack.tf/profiles/76561198176382914#!/compare/1492473600/1492560000

X = 13

Sale 4:

Quicksold for 12 keys

http://www.tf2outpost.com/trade/28882183 - B/O of 13

Seller: http://backpack.tf/profiles/76561198309942981#!/compare/1492387200/1492473600

Buyer: http://backpack.tf/profiles/76561198187352295#!/compare/1492387200/1492473600

X = 12

Sale 5:

Sold in less than a day for 11 keys

No outpost

Seller: http://backpack.tf/profiles/76561198304138933#!/compare/1491782400/1491868800

Buyer: http://backpack.tf/profiles/76561198043939870#!/compare/1491868800/1491955200

X = 11

Sale 6:

Sold with ~1 key in items for Smoking Brigade Helm

Seller: http://backpack.tf/profiles/76561198176382914#!/compare/1492473600/1492560000

Buyer: http://backpack.tf/profiles/76561198125791160#!/compare/1492473600/1492560000

Should be used on the Brigade Helm

Seller at 13 on the classifieds

Rolling with 13-14.