Sale 1:

Sold for Green Confetti Big Country (Mini at 16.5 below)

No outpost

Seller: http://backpack.tf/profiles/76561198079578383#!/compare/1495843200/1495929600

Buyer: http://backpack.tf/profiles/76561198119609877#!/compare/1495584000/1496275200

X = 17

Sale 2:

Sold for Purple Confetti Defiant Spartan (Mini at 15 below)

Outpost trade is 11 months old, and has no B/O.

Seller: http://backpack.tf/profiles/76561198126854813#!/compare/1494806400/1495065600

Buyer: http://backpack.tf/profiles/76561198089253101#!/compare/1494979200/1495065600

X = 15

Sale 3:

Bulk for Holy Grail Spent Well Spirits

Seller: http://backpack.tf/profiles/76561198020918007#!/compare/1495756800/1495843200

Buyer: http://backpack.tf/profiles/76561198132226518#!/compare/1495756800/1495843200

Sale 4:

Bulk for Searing Familiar Fez

Seller: http://backpack.tf/profiles/76561198132226518#!/compare/1495843200/1495929600

Buyer: http://backpack.tf/profiles/76561198134925169#!/compare/1495843200/1495929600

Purple Confetti Defiant Spartan Mini:

http://backpack.tf/suggestion/593c2b530e2cad114d1fe06d

Sellers:

16 keys:

http://i.imgur.com/O7bOjJp.png - 14 days

http://backpack.tf/u/76561198119609877

http://www.tf2outpost.com/trade/29202984

Offers:

http://www.tf2outpost.com/trade/29209132

http://backpack.tf/u/76561198050849650

Sales at:

15

17

Going with 15-17.