Wait, now I'm confused.

SALES:

http://www.tf2outpost.com/trade/24690254 Sold for Aces Whirly (2.2)

2.2 * 0.9 = 1.98 (rounding to 2)

Histories:

http://www.tf2outpost.com/item/440,3518295140,1116,5

http://www.tf2outpost.com/item/440,3446981131,30118,5

http://www.tf2outpost.com/trade/24509766 Sold for G.Fetti Bonk Helm (Outdated at 1, mini at 1.6) + SF Shotty (~0.4 at point of sale)

2 * 0.9 = 1.8

Histories:

http://www.tf2outpost.com/item/440,3518295140,1116,5

http://www.tf2outpost.com/trade/24520638

Helm mini:

http://www.tf2outpost.com/trade/24647411 ultra-quicksold for 1 pure

http://www.tf2outpost.com/trade/24834019 Sold for 20 keys, ~1.6 at the time

http://www.tf2outpost.com/trade/24828061 Offered + Stormy Bonk Boy (3) on CV Gent Ushanka (~3.5)

Using 1.6.

Let it ride.