Looks like a range is needed. Keeping the other suggestion for 2 Ref flat up because i'm not sure if I should close that.

Sales

http://imgur.com/39WwIsC Sold at 2 Ref in about 4 days

http://imgur.com/sMdzFwc Proof of being uncraftable

http://imgur.com/ZD1gZNX Proof of purchase being 4 days ago

Sellers

http://www.tf2outpost.com/trade/26517393 2 Ref (1 Day)

http://www.tf2outpost.com/trade/26525326 1.66 Ref (1 Day)

This market has a tiny valid market.

3 months outdated.

No buyers on outpost either.

Thanks to Teeny Tiny Cat for pointing out the 1.66 Seller.