Please read all before voting. For all those who don't know what refreshing a price is and are like "Oh the new range is the same as the old range. I don't get it." You are allowed to refresh Old Unusual Prices as long as you have proof. 4 Month Old Price, 5 on the Market.

Sales:

http://www.tf2outpost.com/trade/14508205 --> http://www.tf2outpost.com/trade/14492857

Sold for a Nuts Sultan (~12), Had a B/O of 12.

http://www.tf2outpost.com/trade/14449551 - Sold for 12.

Legit Trades:

http://www.tf2outpost.com/trade/13743325 - B/O of 12.

http://www.tf2outpost.com/trade/14573509 - B/O of 13.

http://www.tf2outpost.com/trade/14277984 - Offer of a Lime Bills (6.5) + 6 = ~13

CONCLUSION:

Low Range = 12 because of sales and B/Os. High Range = 13 because of a B/O and an offer.