One recent sale

Sold for frostbite towering titanium pillar of hats (41-54), 1 key and ~3 keys in sweets = 1 + (47.5 + 3)* 0.9 = 46 keys

Buyer before: http://backpack.tf/profiles/76561197976353061?time=1426316400 (March 14th)

Buyer after: http://backpack.tf/profiles/76561197976353061?time=1426402800 (March 15th)

Mini for frostbite titanium pillar:

http://backpack.tf/vote/id/55369ff2b88d8842028b555a

Support proof:

Classifieds have one with BO of 65.

http://i.imgur.com/POLE0Ud.png

He also had it listed on outpost previously at 65, with one (retracted) offer of 50 keys

http://www.tf2outpost.com/trade/25416427

Seems really low but it's the only sale so... idk. Feedback welcome.