2 month old price but things have changed a bit since then.

Overpay is calculated by mid range * .9

http://www.tf2outpost.com/trade/12754916

Offer of 17 keys

http://www.tf2outpost.com/trade/11707786

Offers:

17 keys

14 keys + a low craft item (I'm guessing 4 keys. If anyone knows the value of low crafts please comment)

22 keys + a made man (2 ref)

Retracted offer of 23 keys

http://www.tf2outpost.com/trade/13278007

Sold for 19 keys

Was offered 17 keys + a strange splendid screen (1 key low end) = 18 keys

http://www.tf2outpost.com/trade/11949312

Offer of 19 keys

http://www.tf2outpost.com/trade/13294066

Offer of a blizzardy dead cone (18.5 w/ overpay) It was offered on a few nuts n boltz chapeaus

http://www.tf2outpost.com/trade/11668375

Sold for 20 keys

http://www.tf2outpost.com/trade/13273444

Sold for 22 keys

Offer of a smoking soldered sensei (20~ keys w/ overpay)