Sale 1:

Sold with 1 key + 6.11 ref for Kill-a-Watt Titanium Pillar (Mini at 19.5 below)

Seller: http://backpack.tf/profiles/76561197964171516#!/compare/1492473600/1492560000

Buyer: http://backpack.tf/profiles/76561198261479090#!/compare/1492473600/1492560000

X = 18

Sale 2:

Sold for Blizzardy Hustler’s Hallmark (17)

No outpost

Seller: http://backpack.tf/profiles/76561198261479090#!/compare/1493164800/1493424000

Buyer: http://backpack.tf/profiles/76561198119461404#!/compare/1493337600/1493424000

X = 17

Sale 3:

Sold with ~2 keys in items for Kill-a-Watt Tough Guy’s Toque

Seller: http://backpack.tf/profiles/76561198005371178#!/compare/1494633600/1494720000

Buyer: http://backpack.tf/profiles/76561198035312409#!/compare/1494201600/1494720000

Should be used on the toque.

Kill-a-Watt Titanium Mini:

http://backpack.tf/suggestion/592d0dcdc44045394f01313b

Sellers:

18 keys:

http://i.imgur.com/ceHuXfY.jpg - 16 days

http://backpack.tf/u/76561198035312409

http://www.tf2outpost.com/trade/29197980

Sales at:

17

18

Going with 17-18.