Purple Energy Plug-in Prospector

Ah, what a nice hat.

Sale 1:

http://backpack.tf/profiles/76561198098065932#!/compare/1485129600/1485216000

http://www.tf2outpost.com/trade/28701677 - B/O was 28

Sold for a Cloud 9 Buccaneer's Bicorne (22, indate) and 7 keys pure

22 + 7 = 29

X = 28 (capped by B/O)

Sale 2:

http://backpack.tf/profiles/76561198109078898#!/compare/1481587200/1481673600

Sold for a Searing Boron Beanie (21, open suggestion) + 3 keys pure

21 + 3 = 24

Sale 3:

http://backpack.tf/profiles/76561198109078898#!/compare/1481846400/1482192000

Sold for a Green Confetti Towering Titanium Pillar of Hat

Better used there.

Sale 4:

http://backpack.tf/profiles/76561198082753631#!/compare/1484352000/1484784000

http://backpack.tf/profiles/76561198192602363#!/compare/1484265600/1484352000

http://backpack.tf/profiles/76561198192602363?time=1484352000 - Sort by time

Added 1 key pure for a Smoking Flamboyant Flamenco

Better used there.

Sales at:

28

24

Using both sales.

Final Price: 24 - 28 keys