Sale 1:

Sold for Australium Grenade Launcher (15 at the time)

No outpost

Seller: http://backpack.tf/profiles/76561198145333932#!/compare/1480118400/1480204800

Buyer: http://backpack.tf/profiles/76561198059644133#!/compare/1480032000/1480118400

X = 15

Sale 2:

Sold for 14 keys

http://www.tf2outpost.com/trade/28613957 - B/O of 14, relisted multiple times: http://www.tf2outpost.com/trade/28601528

Seller: http://backpack.tf/profiles/76561198080179568#!/compare/1479427200/1479513600

Buyer: http://backpack.tf/profiles/76561198184916166#!/compare/1479427200/1479513600

X = 14

Sale 3:

Quicksold for 13 keys?

http://www.tf2outpost.com/trade/28521538 - B/O of 14

Seller: http://backpack.tf/profiles/76561198156009751#!/compare/1475452800/1475539200

Buyer: http://backpack.tf/profiles/76561198080179568#!/compare/1475452800/1475539200

Julia most likely had a Buy order at 13 keys

Sale 4:

Bulk for Morning Glory Larrikin Robin

Seller: http://backpack.tf/profiles/76561198099507130#!/compare/1475452800/1475539200

Buyer: http://backpack.tf/profiles/76561198156009751#!/compare/1475452800/1475539200

Should definitely be used to update the Larrikin. It is so very underpriced.

Sellers:

16 keys:

http://i.imgur.com/xQXuTl5.png

http://backpack.tf/u/76561198133762284

17 keys:

http://i.imgur.com/MDQsSkr.png - 27 days

http://backpack.tf/u/76561198054758757

http://www.tf2outpost.com/trade/28602390

http://i.imgur.com/KerEnyU.png - 3 months

http://backpack.tf/u/76561198090956917

Sales at:

14

15

Going with 14-15