Lots of trades, but not a lot of sales. Only sales are 1 at .33 and 2 at .66. Difficult to get a good range on it, but I believe .33 to .66 should cover it.

Buying @ .22

http://www.tf2outpost.com/trade/7070466 (month old, no success)

http://www.tf2outpost.com/trade/8017018

http://www.tf2outpost.com/trade/6937273 (month old, no success)

http://www.tf2outpost.com/trade/8011583

http://www.tf2outpost.com/trade/6990695 (month old, no success)

http://www.tf2outpost.com/trade/7823328 (buying @ backpack.tk prices)

http://www.tf2outpost.com/trade/8022856 ("low end of backpack.tf prices")

http://www.tf2outpost.com/trade/7743671

http://www.tf2outpost.com/trade/7888436

Buying @ .33

http://www.tf2outpost.com/trade/7954484

http://www.tf2outpost.com/trade/7907480

http://www.tf2outpost.com/trade/7710324

http://www.tf2outpost.com/trade/7708844

Bought @ .33

http://www.tf2outpost.com/trade/7747460 (maybe, hard to tell)

Offered .33

http://www.tf2outpost.com/trade/7542203

http://www.tf2outpost.com/trade/8019109

http://www.tf2outpost.com/trade/7827946 (won't take it)

http://www.tf2outpost.com/trade/7623373

http://www.tf2outpost.com/trade/8012617

http://www.tf2outpost.com/trade/7935181 (plus 1 wep)

http://www.tf2outpost.com/trade/7713207

Selling @ .33

http://www.tf2outpost.com/trade/8030276

Selling @ .44

http://www.tf2outpost.com/trade/7945740

Offered .55

http://www.tf2outpost.com/trade/7123215

Selling @ .55

http://www.tf2outpost.com/trade/7798178 (one offer)

Bought @ .66

http://www.tf2outpost.com/trade/7832035 (bought 1)

Offered .66

http://www.tf2outpost.com/trade/6736344 (twice)

http://www.tf2outpost.com/trade/6747269 (offer hidden)

http://www.tf2outpost.com/trade/7062064

http://www.tf2outpost.com/trade/7807878

Selling @ .66

http://www.tf2outpost.com/trade/7894315

http://www.tf2outpost.com/trade/7440335 (one offer)

http://www.tf2outpost.com/trade/7697588 (some offers for .33)

http://www.tf2outpost.com/trade/7942641 (offered .55)

http://www.tf2outpost.com/trade/7889413

http://www.tf2outpost.com/trade/8024583

http://www.tf2outpost.com/trade/8015202 (may take lower offer)

http://www.tf2outpost.com/trade/8032866

Sold @ .66

http://www.tf2outpost.com/trade/7816743 (hey, it's me)