Counter, 3.7 is an outlier.

SALES:

http://imgur.com/KQWI5K8

Sold for C9 Samur-eye (2.7) + Searing AA (2.4)

5.1 * 0.9 = 4.59 (rounding to 4.6)

http://www.tf2outpost.com/item/440,2804231606,30173,5 + http://www.tf2outpost.com/item/440,2801489981,30173,5

= http://www.tf2outpost.com/item/440,2804295865,759,5

Sold + G.Fetti Brim (Unpriced, mini at 1.8) for Burning Fruit Shoot (Outdated at 7.5, mini at 6.9)

(6.9 * 0.9) - 1.8 = 4.41 (rounding to 4.4)

Fetti Brim mini:

http://backpack.tf/vote/id/53e7af334cd7b89d238b4775 Adequate mini at 1.8.

Burning Fruit Mini:

Sold for C9 Modest (7.6) + 8 keys (~0.4)

(7.6 * 0.9) +0.4 = 7.24 (rounding to 7.2)

Histories:

http://www.tf2outpost.com/item/440,2125118906,759,5

http://www.tf2outpost.com/item/440,2656326784,139,5

http://www.tf2outpost.com/trade/20078991 Sold for PE Flamenco (7) + sweets (~0.3)

7.3 * 0.9 = 6.57 (rounding to 6.6)

Histories:

http://www.tf2outpost.com/item/440,2125118906,759,5

http://www.tf2outpost.com/item/440,2653531355,627,5

Using 6.6-7.2.

Let it ride.