Counter-Manipulation.

OUTPOST OVERVIEW:

http://www.tf2outpost.com/trade/21096195 B/O of ~4.5 (1 week)

http://www.tf2outpost.com/trade/18095111 B/O of 4.5 (trade is 5 months old, I think this B/O is newer than that though)

SALES:

http://www.tf2outpost.com/trade/21070348 Sold for TW Scout Shako (1.7) + Blizzardy Bonk Boy (2.9)

(1.7 + 2.9) * 0.9 = 4.14 (rounding to 4.1)

Histories:

http://www.tf2outpost.com/item/440,2761024493,614,5

http://www.tf2outpost.com/item/440,2761028196,30326,5

http://www.tf2outpost.com/item/440,2761024529,451,5

http://www.tf2outpost.com/trade/20697620 Sold for Orb. Fire Headsplitter (2.9) + 30 keys (~1.5)

(2.9 * 0.9) + 1.5 = 4.11 (rounding to 4.1)

Histories:

http://www.tf2outpost.com/item/440,2761024493,614,5

http://www.tf2outpost.com/item/440,2729109956,291,5

http://www.tf2outpost.com/item/440,2729110147,5021,6

Flat price based on two sales. Let it ride.