"It will be sold later because these are the only price you can find." Silly HeavyLord.

Lemme show ya how you do it! (or try to, at the very least)

Sold

http://www.tf2outpost.com/trade/12712331 - 4 ref

http://www.tf2outpost.com/trade/12709543 - 1 key

http://www.tf2outpost.com/trade/12707774 - 5 ref

http://www.tf2outpost.com/trade/12706274 - 5 ref

http://www.tf2outpost.com/trade/12704870 - 1 key

http://www.tf2outpost.com/trade/12703680 - 4.66 (I think)

http://imgur.com/LfYjm3B - 5 ref

http://www.tf2outpost.com/trade/12702519 - 5 ref

http://www.tf2outpost.com/trade/12701763 - 5.33

http://www.tf2outpost.com/trade/12698866 - 1 key

http://www.tf2outpost.com/trade/12698789 - Key + 2 ref

http://www.tf2outpost.com/trade/12691968 - 4 ref

[ http://trade.tf/listings/search/Sell/Unique/Lieutenant%20Bites/all/9 ] - Proof that he was asking for 4 ref, just find the appropriate trade

http://tf2tp.com/trade.php?trade=9626574 - 4 ref

http://imgur.com/5i0xB5R - 5 ref

http://www.tf2outpost.com/trade/12680556 - Key + Craft hat

http://imgur.com/9VUl1Eb - 4.66

http://www.tf2outpost.com/trade/12667742 - 5 ref

http://www.tf2outpost.com/trade/12663501 - 1 key

http://www.tf2outpost.com/trade/12663425 - 1 key

http://www.tf2outpost.com/trade/12660424 - 1 key + 2 ref

http://www.tf2outpost.com/trade/12659744 - 5 ref

http://imgur.com/kYyISGK - 4.33

Conclusion

Dat range. Nevertheless, sales seem to have occured within this range.

Help / Consturctive Criticisim / Additional Proof / Counter-Proof is ALWAYS welcome! :D